A) When comparing various snacks ( peanuts, pretzels, cashews, marshmallows, tortilla chips, popcorn and cheese puffswhich one do you think will expend the most energy? the least energy ? State your scientific reasoning .
B) Name a snack you think could have higher output than the ones listed above and explain why
C) Propose a method to determine the heat capacity of the calorimeter.

Answers

Answer 1

a) The snack that will expend more energy is peanuts and the least is marshmallows. b) Almonds have a higher output compared to other snacks. c)To determine the heat capacity of a calorimeter, we can weigh a known mass of water and measure its temperature followed by raising its temperature and measuring the final temperature. The change in temperature along with its specific heat capacity will give the heat absorbed by the calorimeter.

How to determine the energy given by various compounds?

A) When comparing various snacks (peanuts, pretzels, cashews, marshmallows, tortilla chips, popcorn, and cheese puffs), the snack that will likely expend the most energy is peanuts, and the snack that will likely expend the least energy is marshmallows. The scientific reasoning is based on the caloric content and composition of the snacks. Peanuts have a high fat and protein content, which provides more calories per gram (9 kcal/g for fat, 4 kcal/g for protein) than carbohydrates (4 kcal/g). Marshmallows, on the other hand, primarily consist of sugar, which is a carbohydrate, and therefore provide fewer calories per gram compared to peanuts.

B) A snack that could have a higher output than the ones listed above is almonds. Almonds are also high in fat and protein, similar to peanuts, but they typically contain even more calories per gram, making them a higher-energy snack option.

C) To determine the heat capacity of a calorimeter, you can use the following method:
1. Weigh a known mass of water (m_water) and add it to the calorimeter.
2. Measure the initial temperature (T_initial) of the water.
3. Add a known amount of energy (Q) to the calorimeter, either by adding a known mass of a substance at a known temperature or by using an electrical heater with known power and time.
4. Stir the water and measure the final temperature (T_final) of the water.
5. Calculate the change in temperature (ΔT) by subtracting the initial temperature from the final temperature: ΔT = T_final - T_initial.
6. Use the specific heat capacity of water (c_water = 4.18 J/g°C), the mass of the water (m_water), and the change in temperature (ΔT) to calculate the heat absorbed by the water: \(Q_{water}\) = m_water × c_water × ΔT.
7. Subtract the heat absorbed by the water (\(Q_{water}\)) from the total heat added (Q) to obtain the heat absorbed by the calorimeter (\(Q_{calorimeter}\)): \(Q_{calorimeter}\) = Q -  \(Q_{water}\).
8. Divide the heat absorbed by the calorimeter (\(Q_{calorimeter}\)) by the change in temperature (ΔT) to determine the heat capacity of the calorimeter: Heat Capacity = \(Q_{calorimeter}\)r / ΔT.

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Related Questions

How many moles of each element are in one mole of (NH4)2S? (3 points)

a
1 mole of nitrogen, 8 moles of hydrogen, 1 mole of sulfur

b
1 mole of nitrogen, 6 moles of hydrogen, 1 mole of sulfur

c
2 moles of nitrogen, 6 moles of hydrogen, 1 mole of sulfur

d
2 moles of nitrogen, 8 moles of hydrogen, 1 mole of sulfur

Answers

Answer:

2 moles of nitrogen, 8 moles of hydrogen, 1 mole of sulfur

Explanation: i took the test and got it right

The number of moles for each element in one mole of (NH₄)₂S are:

d. 2 moles of nitrogen, 8 moles of hydrogen, 1 mole of sulfur

Identification of number of moles:

The number of moles can be identified by dividing the given mass by molar mass.

In one mole of (NH₄)₂S there are moles of each participating element i.e. nitrogen, oxygen, hydrogen, and sulfur.

In this molecule, there are 2 moles of nitrogen, 8 moles of hydrogen, and one mole of sulfur.

Thus, option d is correct.

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put some ice in a clean glass. examine it every 3 minutes for half oan hour . DIscribe what happens to the ice​

Answers

Answer:

the ice starts melting and turns into water

the ice would start melting more and more and at the end it would result into being water

As you walk into class, you notice that everyone is sitting on the floor. You consequently sit on the floor, too. In this situation, the fact that you choose to act in a way that matches the people around you is an example of:

Answers

The situation described in the question is an example of conformity. Conformity is the act of matching one's behavior, attitudes, and beliefs to those of a group. In this case, the individual noticed that everyone in the class was sitting on the floor and consequently chose to sit on the floor as well, conforming to the behavior of the group.

Conformity is a common human behavior and is often driven by the desire to fit in or belong to a group. This behavior can be seen in many situations, from fashion trends to political beliefs. While conformity can have positive effects on social cohesion and group dynamics, it can also lead to groupthink and the suppression of individuality.

Understanding the role of conformity in social behavior is important for individuals to make informed decisions and to be aware of the potential for group influence. It is important to balance the desire to conform with the need to express one's unique perspective and ideas. In conclusion, the situation described in the question is an example of conformity, a behavior that can have both positive and negative effects on individuals and groups.

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What are water and carbon dioxide in the cellular respiration reaction? They are reactants because they are present before the reaction. They are reactants because they are present after the reaction. They are products because they are present before the reaction. They are products because they are present after the reaction.

Answers

Answer:

They are products because they are present after the reaction.

Explanation:

A chemical reaction refers to any interaction between two or more chemical species that leads to the formation of new chemical species. The species that interacted with each other are called reactants. They were present before the reaction commenced. The species that were formed after the interaction are called products. They only appear after the reaction.

In cellular respiration, carbon dioxide and water appear after the chemical reactions that take place, hence they are products.

Answer:

They are products because they are present after the reaction.

Explanation:

Help would be greatly appreciated, picture of the question is here

Help would be greatly appreciated, picture of the question is here

Answers

Based on the results obtained in the table, the solute is a solid because it has an increase in the amount dissolved as temperature increases.

The correct option is B.

What is the effect of an increase in temperature on the solubility of solutes?

The average kinetic energy of the solute molecules increases along with the solution's temperature. As a result, the molecules have a lower ability to bind together and dissolve more easily. Therefore, when the temperature rises, solid states become more soluble.

However, for solutes that are gas, an increase in temperature decreases the solubility of the gas, and the gas comes out of the solution.

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Bbbhjhnhbdexvvgvhvhb Gn ghjjhh

Answers

Thanks& have a nice day!

why did a mixture of 2.00 ml of ph 7.00 phosphate buffer, 0.900 ml of DI water and 0.100 ml of 0.0300 M p-nitrophenyl acetate in acetonitrile have an A400 of approximately 0.03 at zero time

Answers

The p-nitrophenyl acetate is being hydrolyzed by the water in the buffer solution, which results in an A400 of around 0.03 at zero time for the mixture of 2.00 mL of pH 7.00 phosphate buffer, 0.900 mL of DI water, and 0.100 mL of 0.0300 M p-nitrophenyl acetate in acetonitrile.

As an ester, p-nitrophenyl acetate is known to undergo hydrolysis in the presence of water to produce an alcohol and a carboxylic acid.

The buffer in this instance aids in keeping the pH of the solution constant at 7.00 by catalysing the hydrolysis of p-nitrophenyl acetate in the buffer solution. P-nitrophenol, which absorbs light with a wavelength of 400 nm, is created by the hydrolysis of p-nitrophenyl acetate.

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Watercolor: A painting medium consisting of pigments suspended in a solution of water and gum Arabic.
Gouache: A painting medium similar to watercolor, but opaque 
instead of transparent.

Answers

Watercolor is a popular painting medium that consists of pigments that are suspended in a solution of water and gum Arabic. The gum Arabic acts as a binder to hold the pigments together, allowing them to be easily applied to paper or other surfaces.

Watercolor paintings are known for their transparency, which is achieved by diluting the pigment with water. However, if the pigment concentration is too high or the water is not mixed properly, the result may be a less transparent painting. This is because the pigments are not fully suspended in the water and gum Arabic solution, causing them to settle and create a more opaque effect. So, it is important to ensure that the pigment and water are properly mixed to achieve the desired level of transparency in a watercolor painting.

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1. the mass of one electron is
2. the mass of one proton is
3. the mass of one neutron is

Annswer the following question

Answers

Answer:

Mass of one electron is 9.1 × 10⁻³¹ kg

Mass of one proton is 1.673 × 10⁻²⁷ Kg

Mass of one neutron is 1.675 × 10⁻²⁷ Kg

 

-TheUnknownScientist 72

Which word identifies the shaking that results from movement under Earth's surface?
O earthquake
fault
O plate
O stress

Answers

Answer:

Earthquake...

Explanation:

I mean, its kinda the only one that makes sense aha

And took test!

The word earthquake identifies the shaking that results from movement under Earth's surface.

What is earthquake?An earthquake is an intense shaking of Earth’s surface. The shaking is caused by movements in Earth’s outermost layer.When tectonic plates move, it also causes movements at the faults. An earthquake is the sudden movement of Earth’s crust at a fault line.

Hence, option 1 is the answer.

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Pls help
#8: In at least three sentences, describe how the chocolate/wax is like the tectonic plates
on the surface of the Earth. Use the following terms in your answer: tectonic plates,
convection currents, mantle and density. 3 pts

Answers

Explanation:

The chocolate or wax in the activity can be compared to the tectonic plates on the surface of the Earth. Just like the tectonic plates, the chocolate or wax is made up of different layers that move and interact with each other. The movement of the tectonic plates is driven by convection currents in the mantle, which is the layer of the Earth beneath the crust. These convection currents are caused by differences in density between the hot, less dense material near the core of the Earth and the cooler, more dense material near the surface. Similarly, the movement of the chocolate or wax is driven by the heat from the flame, which causes the less dense, melted chocolate or wax to rise and the more dense, solid chocolate or wax to sink.

what is chemical formula of water ? how it is composed​

Answers

Answer:

H2O

Explanation:

it is composed of 2 atoms of Hidro and 1 atom Oxy

Answer:

The chemical formula for water is H2O..it is composed by the bonding of 2 molecules of hydrogen and one molecule of oxygen,a covalent bond to be specific.

I hope this helps

molecules move in random directions when heated in a heat engine, and because of the lack of uniformity in direction of molecular movement, true or false

Answers

The statement "molecules move in random directions when heated in a heat engine, and because of the lack of uniformity in the direction of molecular movement" is true.

When a heat engine is heated, molecules absorb heat energy and their kinetic energy increases. The kinetic energy of molecules causes them to move around. However, this movement is not uniform, and the molecules move in random directions.

A heat engine is a device that converts thermal energy into mechanical energy. Heat engines operate on the principle of thermodynamics.

They work by taking in thermal energy from a high-temperature reservoir, converting some of it into mechanical energy, and then releasing the remaining thermal energy to a low-temperature reservoir.The internal combustion engine in a car, the steam engine in an old locomotive, and the turbine in a power plant are all examples of heat engines. They all convert heat energy into mechanical energy to perform work.

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Classify each of these compounds as an Arrhenius acid, an Arrhenius base, or neither.
NaOH, NaCl, AgOH, HClO, Ca(OH)2, H3PO4, HF, HBr, Zn(OH)2, CH4

Answers

\(\rm NaOH\), \(\rm AgOH\), \(\rm Ca(OH)_2\), \(\rm Zn(OH)_2\) are Arrhenius bases, \(\rm HClO\), \(\rm H_3PO_4\), HF, HBr are Arrhenius acids and NaCl, \(\rm CH_4\) are Neither.

When dissolved in water, an acid is a chemical that raises the concentration of hydrogen ions. Acids often taste sour, can turn blue litmus paper red, and can release hydrogen gas when they react with certain metals.  A base, sometimes referred to as an alkali, is a chemical that raises the level of hydroxide ions in water when it is dissolved in it. When dissolved in water, an Arrhenius base raises the concentration of hydroxide ions in the solution. When dissolved in water, an Arrhenius acid is a chemical that raises the concentration of hydrogen ions in the solution. Neither Arrhenius acids nor bases are substances that do not split into ions when dissolved in water.

Arrhenius bases: \(\rm NaOH, AgOH, Ca(OH)_2, Zn(OH)_2\)

Arrhenius acids:\(\rm HClO, H_3PO_4, HF, HBr\)

Neither: \(\rm NaCl, CH_4\)

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when a hydrocarbon burns in air, what component of air reacts? you can solve this problem by considering how to put out a fire. what could be removed to put out a fire?

Answers

When a hydrocarbon burns in the air it reacts with the active part of the air which is oxygen

carbon and hydrogen atoms in hydrocarbon fuel react with oxygen in an exothermic reaction  carbon dioxide and water are produced

The hydrocarbons can undergo complete or incomplete combustion depending on the amount of oxygen available.

To reduce combustion oxygen must be removed this can be best achieved by using a carbon dioxide fire extinguisher, a fire blanket

Carbon dioxide extinguishes fires by displacing oxygen, or taking away the oxygen element of the fire triangle.

carbon is also very cold as it comes out of extinguisher so it cools the fire as well

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A certain element has a mass per mole of 196.967 g/mol. What is the mass of a single atom in (a) atomic mass units and (b) kilograms? (c) How many moles of atoms are in a 249-g sample? (a) matom U V (

Answers

The mass of a single atom of the given element can be calculated by dividing the molar mass (196.967 g/mol) by Avogadro's number (6.022 x 10^23 atoms/mol).

(a) In atomic mass units (amu), the mass of a single atom is approximately 196.967 amu.

(b) To convert the mass to kilograms, we need to divide by the conversion factor of 6.022 x 10^23 atoms/mol and multiply by 1 kg/1000 g. The mass of a single atom in kilograms is approximately 3.272 x 10^-23 kg.

(c) To determine the number of moles in a 249-g sample, we divide the mass by the molar mass. Thus, there are approximately 1.265 moles of atoms in a 249-g sample.

In summary, the mass of a single atom of the given element is 196.967 atomic mass units (amu) and approximately 3.272 x 10^-23 kilograms (kg). The number of moles of atoms in a 249-g sample is approximately 1.265 moles. To calculate the mass of a single atom, we divide the molar mass by Avogadro's number, which gives us the mass in amu. To convert the mass to kilograms, we use the conversion factor and multiply by the mass in grams divided by 1000. To find the number of moles in a sample, we divide the mass of the sample by the molar mass of the element.

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2 h2o2 thermodynamically favorable. what are the signs of g and s

Answers

The reaction \(2H_{2} O_{2}\) → \(2H_{2} O + O_2\) is thermodynamically favorable, meaning it occurs spontaneously in the forward direction under standard conditions.

The signs of ΔG (change in Gibbs free energy) and ΔS (change in entropy) can provide further insights into the thermodynamics of the reaction. In the given reaction, the formation of water and oxygen from hydrogen peroxide is accompanied by a decrease in the system's free energy. Thus, the ΔG value for this reaction is negative, indicating that it is exergonic and releases energy. This negative ΔG indicates that the reaction is thermodynamically favorable and tends to proceed in the forward direction. As for the ΔS value, the reaction involves the formation of two moles of water and one mole of oxygen from two moles of hydrogen peroxide. Since the products have a greater number of moles than the reactants, the ΔS value for this reaction is positive. This positive ΔS indicates an increase in entropy, reflecting a greater degree of randomness or disorder in the system.

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What is the double replacement reaction of Na2C2O4+Pb(NO3)2

Answers

Answer: Na2C2O4 + Pb(NO3)2 = PbC2O4 + NaNO3 - Chemical Equation Balancer.

Explanation:

order the following solutions from lowest to highest ph: 0.10 m naclo 0.10 m kbr 0.10 m nh4clo4

Answers

To order the following solutions from lowest to highest pH: \(NaClO , 0.10M KBr , 0.10M NH_{4}ClO_{4}\), we'll first determine their acidic or basic nature and then arrange them accordingly.

Step 1: Identify the acidic or basic nature of the solutions


- \(NaClO\) :  \(Na^{+}\) (neutral) and \(ClO^{-}\) (basic)
- \(KBr\) :  \(K^{+}\) (neutral) and \(Br^{-}\)(neutral)
- \(NH_{4}ClO_{4}\) :  \(NH_{4} ^{+}\) (acidic) and \(ClO_{4} ^{-}\) (neutral)

Step 2: Arrange the solutions from lowest to highest pH


- \(NH_{4}ClO_{4}\) : Acidic solution (lower pH)
- \(KBr\) : Neutral solution (pH close to 7)
- \(NaClO\) : Basic solution (higher pH)

The solutions ordered from lowest to highest pH are 0.10M \(NH_{4}ClO_{4}\), 0.10M \(KBr\), and 0.10M \(NaClO\).

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What represents the total number of protons and neutrons in an atom?

Answers

Answer:

The mass number of an atom is the total number of protons and neutrons in its nucleus. The mass of the atom is a unit called the atomic mass unit (amu)

The density of steel is about 8.0g/cm³ and the density of water is 1.0 g/cm³ . If the mass of steel used for the ship is 50,000 kg, what would the volume need to be for the ship to float on water?

Answers

In order for the ship to float, the volume of the ship must be equal to or greater than  50,000,000 cm³.

What would be the volume of the ship in order for it to float on water?

According to the principle of floatation, a body will float in a liquid if it displaces a weight of liquid equal to its own weight.

Therefore, for the ship to float in water, it must displace a weight of water at least equal or greater than its own weight.

Considering the data given:

The density of steel = 8.0g/cm³

the density of water is 1.0 g/cm³

the mass of steel used for the ship = 50,000 kg

Based on the principle of floatation, mass of water to be displaced is equal to the mass of the ship.

Mass of water to be displaced = 50000 kg

Mass of water to be displaced in g = 50,000,000 g

Volume of 50000000 g of water = 50,000,000 g * 1.0 g/cm³

Volume of 50000000 g of water =  50,000,000 cm³

Therefore, volume of the ship must be equal to or greater than 50,000,000 cm³ for the ship to float.

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how many coulombs are required to plate a layer of chromium metal 0.27 mm thick on a piece of metal with a total area of 0.30 m2 from a solution containing cro42- ? the density of chromium metal is 7.20 g/cm3 .give an answer with two significant figures.

Answers

Approximately 108.1 coulombs of charge are required to plate a layer of chromium metal 0.27 mm thick on a piece of metal with a total area of 0.30 \(m^2\) from a solution containing \(CrO_4^{2-\).

To calculate the number of coulombs required to plate a layer of chromium metal, we need to use Faraday's law of electrolysis:

Q = n F

where Q is the total charge in coulombs, n is the number of moles of electrons, and F is Faraday's constant (96485 C/mol).

To find n, we need to use the equation:

n = m / M / z

where m is the mass of the chromium metal to be plated, M is the molar mass of chromium, and z is the number of electrons transferred per chromium ion during plating. For chromium plating, z is 3.

The mass of chromium metal to be plated can be calculated using the density of chromium:

m = V * d * t

where V is the volume of the plated layer, d is the density of chromium, and t is the thickness of the plated layer.

Plugging in the given values, we get:

m = 0.27 cm * 0.03 \(m^2\) * 7.20 \(g/cm^3\) = 0.17496 kg

Next, we can calculate the number of moles of electrons:

n = 0.17496 kg / 52 g/mol / 3 = 0.001121 mol

Finally, we can calculate the total charge required:

Q = n * F = 0.001121 mol * 96485 C/mol = 108.1 C

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Which one is a single replacement reaction? (Whoever gets it correct first I’ll mark)

Which one is a single replacement reaction? (Whoever gets it correct first Ill mark)

Answers

The equation that represents a single replacement reaction given the various options is 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) (option 2)

What is a single replacement reaction?

A single replacement reaction, also known as single displacement reaction is a reaction in which elements higher in the electro-chemical series displace or replace elements lower in the electro-chemical series displace from a solution.

The following example illustrates single replacement reaction:

A + BC -> AC + B

From the above reaction, we can see that A has replace/displace B to from AC.

With the above information, we can determine the equation that represents single replacement reaction. Details below:

Equation from the questions:

2Al + 3Cl₂ -> 2AlCl₃2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g)2AlCl₃(aq) -> 2Al + 3Cl₂ AlCl₃ + 3KOH -> Al(OH)₃ + 3KCl

From the above, we can see that only 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) conform to single replacement reaction.

Thus, the correct answer to the question is: 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) (option 2)

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A force is a push or pull that makes it possible to move an object. A force can also be used to
change the direction that an object is moving. The amount of force put on an object will
determine how far and fast the object will move. Nothing moves without some kind of force!
If you pull or push something, you are the force that is creating movement. The more you
push or pull, the farther and faster an object will go. But the heavier an object is, or the
more friction working against its movement, the harder it will be to move it.
What causes objects to move?
No

A force is a push or pull that makes it possible to move an object. A force can also be used tochange

Answers

Answer:Forces include gravity, friction, and applied force. Force causes changes in the speed or direction of motion.

Explanation:

Answer:

Its force, Just did it. 100%

Explanation:

No explaination needed. I got it right.

A) H2OB) CO2C) CH4D) O3E) CCl2F2A greenhouse gas that is exclusively anthropogenicABCDE

Answers

The greenhouse gas that is exclusively anthropogenic is carbon dioxide \((CO_{2} ).\) However, it's important to note that while carbon dioxide is the most abundant anthropogenic greenhouse gas, there are other greenhouse gases that are also emitted by human activities, such as methane\((CH_{4} )\), chlorofluorocarbons \((CCl_{2} F_{2} )\), and nitrous oxide\((N_{2} O).\)

Additionally, there are naturally occurring greenhouse gases, such as water vapor \((H_{2} O)\\\) and ozone\((O_{3} )\), that also contribute to the greenhouse effect.
A greenhouse gas that is exclusively anthropogenic is E)\(CCl_{2} F_{2}\). This gas, also known as chlorodifluoromethane or \(HCFC-22\), is a human-made substance primarily used in refrigeration and air conditioning systems. It is not naturally occurring, which makes it exclusively anthropogenic.

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what is its P/E ratio loden? What was its P/E rafio yesterdmy? The compinty's PeE rafio lodaty it (Round to two decimal places) Todiay the common stock of Gresham Technology closed at $23.10 per shace, down 50.35 from yesterday. If the company has 4.8 milion shares cutstanding and annual samings of 5134 - illon. what is its P.E ratio today?. What was its P.E ratio yesterday? The company's PiE ratio todoy is (Round to two decimal ploces.)

Answers

The PE Ratio for today is 0.02 (rounded to 2 decimal places).For yesterday: P/E Ratio = Stock price / EPS Since the EPS for yesterday is not given, we cannot determine its P/E ratio for yesterday.

The P/E ratio is calculated by dividing the stock's market value per share by its earnings per share (EPS).

The given data for Gresham Technology:

Current share price= $23.10, Yesterday's share price = $23.60.

Total shares outstanding = 4.8 million Annual.

Earnings = $5134 million ,PE Ratio formula:

PE Ratio = Stock Price / Earnings per share (EPS).

Therefore, the PE Ratio for today:

PE Ratio = Stock price / EPS Stock price = $23.10EPS = Annual earnings / Number of shares ,

EPS = 5134 / 4.8EPS = $1070.83P/E ,

Ratio = $23.10 / $1070.83 = 0.0216 = 0.02 (Rounded to 2 decimal places).

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You have 150 g sugar solution the percent by mass of the solute sugar is 15% how many grams of sugar are there in the solution

Answers

Answer:

B George Washington

Explanation:

Hope it helps

someone please answer this i need help i’ll give brainly.

how many atoms of carbon of 8 molecules of C2H2

Answers

Answer:

16

Explanation:

2 per molecule X 8 molecules in total

Give five theory's ofJohn Dalton​

Answers

The first part of his theory states that all matter is made of atoms, which are indivisible. The second part of the theory says all atoms of a given element are identical in mass and properties. The third part says compounds are combinations of two or more different types of atoms.The fourth part of the theory states that a chemical reaction is a rearrangement of atoms.Parts of the theory had to be modified based on the discovery of subatomic particles and isotopes.

I hope it's helpful!!

why do we extract styrene with naoh

Answers

Styrene is an organic compound that is often produced by the catalytic dehydrogenation of ethylbenzene. To purify the styrene product, it is often necessary to remove impurities such as residual ethylbenzene, toluene, and other organic compounds.

Sodium hydroxide (NaOH) is a strong base that is commonly used in organic chemistry to deprotonate acidic compounds. In the case of styrene extraction, NaOH is used to react with the impurities present in the crude styrene mixture. This is typically done in a process known as "caustic washing."When NaOH is added to the styrene mixture, it reacts with the acidic impurities to form water-soluble salts. These salts are then removed from the mixture through a process called "washing," in which the mixture is repeatedly treated with water to separate the organic and aqueous layers. The resulting organic layer is then purified further to obtain pure styrene.In summary, NaOH is used to extract styrene by reacting with impurities in the crude styrene mixture, which are then removed through washing. This process helps to purify the styrene product and improve its overall quality.

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In two or more complete sentences, describe how you could model the following sum on a number line. In your answer, make sure to include the result of adding these two numbers together. -3.4 + 4.2 Find the area of polygon A A: 4B: 160C: 80D: 20 T/FWhen considering the social factors that affect marketing, people with component lifestyles are:choosing products that meet their diverse needs. Simplify 25a/7 times 2a/5Give your answer as a single fraction in its simplest form. What are the 2 main types of poetry? A sample of 23.2 g of nitrogen gas is reacted with23.2 g of hydrogen gas to produce ammonia, NH3.Using the balanced equation below, what is themaximum amount, in moles, of ammonia that can beproduced?N2 + 3H22NH3IN[?] moles NH3 What are the advantages of the 2022 titan xds seat belt pretensioners and load limiters in certain frontal collisions? Owen Unger, a 19-month-old male, is admitted to the hospital by his pediatrician, Dr. Curtis, after a chest x-ray confirmed the child has pneumonia. Dr. Curtis and Mrs. Unger, Owens mother, discuss the childs fever, cough, and diarrhea. Mrs. Unger provides a pertinent PFSH. An extended problem-focused ROS is completed and an extended examination of the cardiovascular and respiratory systems is performed. The course of treatment planned by Dr. Curtis is straightforward as the childs condition is of low severity. What is the principal diagnosis code? Palabras claveZaraEl Corte InglsEl Palacio de HierroOna SaezWrite a paragraph about one of these department stores. Describe the clothes, the brands, and the prices. Then comparethem to those in the places you shop. How do I do 6, 7, 8, 9 and 10? I'll mark brainliest through what musical choices does leonard bernstein depict the differences between the jets and the sharks? one problem with a pure priority scheduling scheme is that lower-priority processes may suffer starvation. t/f 9. (6x +12) -2(x-7)= 19 Camila has a coin collection. She keeps 13 of the coins in her box, which is 10% of thecollection. How many total coins are in her collection? Nonreinforcement can also reduce the likelihood that desirablebehavior will continue. True or False?Answer: True I just need 1,2, and 3 to be solved. the primary justification most economists give to support free trade is the theory of organic molecules with the same molecular or empirical formula are called Circle the member of each pair that undergoes solvolysis in methanol fastest. (a) Cior ta CI (b) to CI or 7 Br (c) Ci or CI (d) or - CI CI Br Br cl (e) or (f) or