Find the volume of 2.0kg of gasoline in liters, given the density of gasoline is 0.80g/mL
(please show work I'm really confused)
Answers
Plug in the values
Volume = 2.0kg/0.80g/ml
Volume = 2.5 L
Solution: 2.5 L
Related Questions
Hypothesis: If a material undergoes a
chemical change, then it will not retain its
original properties because a new substance
is formed.
To test the hypothesis above, you will observe the
changes during the experiment.
To do this, you will use these observations to
compare the___
of the
substances
to the__
substances.
of the
Answers
Answer:
I hate to not answer and have you repost this if you could repost it with the choices by clicking the arrow I can figure it out a lot faster and I'll copy and paste to show you that it's right
Explanation:
I'm good with history biology sum math so if you want to do what I asked and reposted I can give you the answers and I will show that they are correct I won't just guess like some people do just to get points cuz I don't care about points I just get on here to help people
Answer: The answer for the blanks is initial appearance and than final appearance.
Explanation:
if normal atmospheric barometric pressure is approximately 15 psi, what would be the alveolar pressure during exhalation?
Answers
The alveolar pressure during exhalation will be less than 15 psi , if the atmospheric pressure is 15 psi.
The intrapleural pressure helps in expiration and the inspiration of the gases during breathing. The pressure inside lungs is determined whether the air is inspired or it is expelled out. The pressure in between the breathes is around 1 mm Hg less than that of the atmospheric pressure know which is normal. Alveolar gas is a mixture of blood-borne carbon dioxide and inspired air that is completely saturated with water vapor. There are roughly 2000–2500 ml of air left in the lung after each expiration.
Due to the dilution caused by the alveolar water vapor pressure and the higher PCO₂ in the alveoli, the PAO₂ is lower than in the environment.
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What will most likely occur if sulfur forms an ionic bond with another element? (Click on the icon for the periodic table to view sulfur)
Sulfur will accept electrons.
Sulfur will donate electrons.
Sulfur will become a positive ion.
Sulfur will become less stable.
Answers
Answer:
The answer is Sulfur will accept electrons
Explanation:
Because it will most likely occur if sulfur forms an ionic bond with the elements
If sulfur forms an ionic bond with another element then the sulfur will accept electrons. Hence option A is correct.
What is ionic bond?Due to their electrostatic attraction, oppositely charged species interact via ionic bonding, a form of chemical connection.
One atom transfers electrons to another when a positively charged ion forms a connection with a negatively charged ion.
Example: NA+ and Cl- gives NaCl
Sulfur belongs to group 6A of non-metals. Its valence electrons number six. It follows the octet rule. It must acquire two electrons. Thus, it creates two single covalent connections (ionic bonds).
When sulfur receives two electrons, it is ionized itself, so it from an ion with a 2-charge.
Sulfur will accept electrons will mostly likely occur if sulfur forms an ionic bond with another element. Hence option A is correct.
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Using your prior knowledge of reaction stoichiometry, what is the final percentage of each reactant remaining if each reaction went to completion? show work and reasoning to justify your answer
Answers
i) No reactant will be left as all of them have been converted to product after completion of this reaction.
ii) Final percentage of each reactant remaining if each reaction went to completion is about 99.9%.
What is molar ratio?The difference between the moles (or molecules) of reactants consumed and the moles (or molecules) of products produced in a chemical reaction is known as the molar ratio.
i) Now given the molar ratio of CV : NaOH is 1:1 . That means Equal moles of CV and NaOH are present in the solution. That means all the CV and NaOH molecules will react to form equal number of products.
So in this case, no reactant will be left as all of them have been converted to product after completion of reaction.
ii) In this case, the given NaOH : CV = 1000 : 1. That means per 1000 moles of NaOH, we have only 1 mole of CV. Now since 1 mole of CV can react with only 1 mole of NaOH, then after the reaction of this 1 mole CV, there will be no CV left . And only 999 NaOH molecules will be left in the solution
So here % CV left = 0%
% of NaOH left = 999 / 1000 × 100
% of NaOH left = 99.9 %
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Complete question is attached below
Which of these discoveries contradict components of Dalton’s atomic theory?
Answers
Dalton's atomic theory was proposed by John Dalton in 1803. It states that elements are made up of indivisible atoms, atoms of the same element are identical, and atoms cannot be created or destroyed.
What is Dalton's atomic theory?Dalton proposed that the concept of atoms might be used to explain the laws of definite proportions and the conservation of mass. In his theory, atoms—which he described as "solid, massy, hard, impenetrable, moving particle(s),"—are the minuscule, indivisible units that make up all matter.
It is significant to highlight that Dalton had no knowledge of the potential existence of interior structure in atoms because he lacked the tools necessary to observe or perform further experiments on individual atoms. In a molecular modeling kit, where the various components are represented by spheres of various sizes and hues, we may imagine Dalton's atom as a component. We now know that atoms are not solid spheres, despite the fact that this paradigm is useful in some situations.
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compare the properties of physical and chemical change with the help of an example.
Answers
Explanation:
For physical change(1)It is easily reversable, example: the melting of ice.
(2)It produces no new substance example: all cases of melting of solid to liquid.
(3) There is no change in the mass of the substance
example: the magnetization of iron.
For chemical change(1)It is not easily reversable, example: all cases of burning.
(2) new substance are produced example: rusting of iron.
(3) There is change in the mass of the substance, example : slaking of lime.
A bow and arrow that was just pulled back but not yet released has
energy.
А
potential
B
electrical
С
geothermal
nuclear
Answers
Answer:
A potential
Explanation:
potential energy is a kind of energy which rest or stays in one position
The objects rest on a position has a potential energy. The bow and arrow that was just pulled back but not yet released has energy has potential energy.
What is potential energy ?The potential energy of an object is generated by virtue of its position at height above the surface. It is the stored form of energy when the object is at rest. Whereas, kinetic energy of an object is generated by virtue of its motion.
When the object starts to move with a speed, its potential energy starts to convert into kinetic energy. Both are dependent on the mass of the object. And these energies are directly proportional to the mass.
Here, the bow and arrow are not moving with a speed they just pulled and stay on a position, so they don't have a net kinetic energy but they possess a potential energy. Hence, option A is correct.
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How is a double displacement reaction completed and balanced
Answers
A double displacement reaction is a type of reaction in which two reactants exchange ions to form two new compounds. Many double displacement reactions occur between ionic compounds that are dissolved in water. A double replacement reaction is represented by the general equation.
The reaction is at dynamic equilibrium.
N2 + 3H2 ⇌ 2NH3
Which statement is correct?
(1 point)
The solution has the same concentrations of nitrogen gas and ammonia.
The solution has the same concentrations of nitrogen gas and ammonia.
Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
The solution has the same concentrations of nitrogen and hydrogen gases.
The solution has the same concentrations of nitrogen and hydrogen gases.
Both directions of the reaction have stopped.
Both directions of the reaction have stopped.
Answers
When the reaction N₂ + 3 H₂ ⇌ 2 NH₃ is at dynamic equilibrium, Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
The reaction is at dynamic equilibrium.
N₂ + 3 H₂ ⇌ 2 NH₃
Which statement is correct?
The solution has the same concentrations of nitrogen gas and ammonia. NO. Even though we don't know the equilibrium constant, it is unlikely that N₂ and NH₃ have the same concentrations at equilibrium. Nitrogen and hydrogen combine at the same rate that ammonia breaks down. YES. At the equilibrium, the forward rate is equal to the reverse rate. The solution has the same concentrations of nitrogen and hydrogen gases. NO. Even though we don't know the equilibrium constant, it is unlikely that N₂ and H₂ have the same concentrations at equilibrium. Both directions of the reaction have stopped. NO. The reactions don't stop because the equilibrium is dynamic.When the reaction N₂ + 3 H₂ ⇌ 2 NH₃ is at dynamic equilibrium, Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
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What would happen to the Ag+ and Cl– concentrations if NaCl(s) were dissolved in a saturated solution of AgCl in water?
a. [Ag+] would become larger, and [Cl–] would become smaller.
b. [Ag+] and [Cl–] both would increase.
c. [Ag+] and [Cl–] both would decrease.
d. [Ag+] would become smaller, and [Cl–] would become larger.
e. [Ag+] and [Cl–] would remain the same because the solution is saturated.
Answers
The correct answer is: d. [Ag+] would become smaller, and [Cl–] would become larger.
In a saturated solution of AgCl in water, the solution already contains the maximum amount of Ag+ and Cl- ions that can be dissolved at a given temperature.
When NaCl(s) is added to this saturated solution, the additional Cl- ions from NaCl will react with the Ag+ ions to form more AgCl(s) through the following reaction:
Ag+(aq) + Cl-(aq) -> AgCl(s)
As a result of this reaction, more AgCl(s) will form, reducing the concentration of Ag+ ions in the solution.At the same time, the additional Cl- ions from NaCl are consumed in the reaction, causing a decrease in the Cl- concentration as well.
Therefore, the correct answer is:
d. [Ag+] would become smaller, and [Cl–] would become larger.
The addition of NaCl(s) to a saturated solution of AgCl does not change the fact that the solution is saturated; however, it does lead to a redistribution of ions and a change in their concentrations.
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Consider the hydrocarbon with chemical formula C₁0H8; this compound is an...
alkyne.
alkane.
alkene.
aromatic.
Please help :)
Answers
C₁OH₈ formula is an alkene hydrocarbon in the nature of its existence.
What are hydrocarbons?
The only two types of atoms that make up all of an organic complex called a hydrocarbon are carbon and hydrogen. The majority of the time, hydrocarbons are colourless gases with hardly detectable odours. Alkanes, alkenes, alkynes, and aromatic hydrocarbons are the four subcategories that are generally used to classify hydrocarbons. These compounds can have relatively simple structures or relatively complex structures.
The study of hydrocarbons can shed light on other functional groups' chemical composition and behaviour. Liquefied petroleum gas, which is derived from hydrocarbons like propane and butane, is also employed as a source of fuel for commercial reasons (LPG). One of the most basic aromatic hydrocarbons, benzene, is used as the starting point for the creation of numeroubrainly.com/question/17578846s synthetic medications.
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Find the molar mass of CaCO3
Answers
Answer:
molar mass of caco3 is
100.0869 g/ mol
The decomposition of N2O4 is studied at 20oC and 80oC. Which statement explains why the rate at 80oC is greater than at 20oC?
a.The activation energy is higher at 80oC.
b.The activation energy is lower at 80oC.
c.The concentration of a gas increases with increasing temperature.
d.The number of molecules with enough energy to react is greater at 80oC.
Answers
The correct statement is d. The number of molecules with enough energy to react is greater at 80oC.
This is due to the fact that at higher temperatures, the molecules of N2O4 possess more kinetic energy which increases the frequency of collisions and the proportion of molecules that exceed the activation energy required for the reaction to occur.
As a result, the rate of the reaction increases at higher temperatures. The activation energy of a reaction is the minimum energy required for a chemical reaction to occur, but it remains constant regardless of the temperature. Therefore, options a and b are incorrect.
Option c is also incorrect as the concentration of the gas does not increase with temperature, but its pressure does.
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A student adds 7.00 g of dry ice (solid co2) to an empty balloon. what will be the volume of the balloon at stp after all the dry ice sublimes (converts to gaseous co2)
Answers
The volume of the balloon after the dry ice sublimes will be 3.40 L at STP.
The balanced chemical equation for the sublimation of solid CO₂ is:
CO₂(s) → CO₂(g)
At STP (standard temperature and pressure), which is 0°C (273.15 K) and 1 atm (101.325 kPa), one mole of any ideal gas occupies 22.4 L of volume. We can use this information to calculate the volume of CO₂ gas produced by the sublimation of 7.00 g of dry ice.
First, we need to convert the mass of dry ice to moles of CO₂ using the molar mass of CO₂, which is 44.01 g/mol:
7.00 g CO₂ × (1 mol CO₂/44.01 g CO₂) = 0.159 moles CO₂
Next, we can use the ideal gas law to calculate the volume of CO₂ gas produced:
PV = nRT
where P is the pressure (1 atm), V is the volume we want to find, n is the number of moles of CO₂ (0.159 moles), R is the gas constant (0.08206 L·atm/mol·K), and T is the temperature (273.15 K):
V = nRT/P = (0.159 mol)(0.08206 L·atm/mol·K)(273.15 K)/(1 atm) = 3.40 L
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you make a solution of 0.1 m naoh and accidentally spill the solution, covering your gloved hand and onto your arm. your wrist was exposed, and the solution came into direct contact with your skin. what should you do?
Answers
If you accidentally get NaOH solution on your skin, take the following laboratory actions:
tell the teacher right awaywash the affected area with waterCertain hazards can occur in laboratories and require immediate action and rapid containment.
According to this question, the NaOH solution is inadvertently splashed onto the skin. NaOH is irritant so you should wash it with water
If you accidentally get NaOH solution on your skin, take the following actions:
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When an acid and alkali react to form water and salt it is called:.
Answers
The reaction of acids with alkalis or bases forming salts is called neutralization reaction. Neutralization reaction remove the acidity or basicity of the substance.
What is neutralization?There are various kinds of reaction namely substitution reactions, displacement reactions, combination reaction, neutralization reactions, oxidation etc.
Neutralization reactions are those where, an acid neutralizes a base or vice versa. The product obtained will be neutral thus having no acidity or basicity as the name suggests.
For instance when HCl reacts with the base NaOH, the salt NaCl is formed which is neutral thus having the pH value of 7. Similarly, Acetic acid and KOH reacts together to form potassium salt of acetic acid or potassium acetate. These are all neutralization reactions.
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Can anybody help me with this?
Answers
The correct order of the given elements above in their increasing atomic radii are as follows:
Phosphorus CobaltRutheniumOsmiumGalliumWhat is meant by the atomic radius of an element?The atomic radius of an element is one periodic properties of elements which describes the total distance between the center of the nucleus of an element to the outermost shell of an electron.
From the task given above, the atomic radii values of the elements in the problem above are: Phosphorus ( 98pm ), Cobalt ( 152pm ), Ruthenium ( 178pm ), Osmium ( 185pm ) and finally Gallium which is 187pm.
That being said, below are some few examples of periodicities which is seen in elements in the periodic table:
Melting and boiling pointIonization energyElectron affinityElectronegativityElectrical and thermal conductivityIonic sizeIonic radiusIn conclusion, the atomic radius and atomic size are both periodic properties of elements.
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At what tempreture oxygen can be liquefied
Answers
Oxygen can be liquefied at a temperature of -182.96°C (-297.33°F) at standard atmospheric pressure (1 atm or 101.3 kPa).
This is the boiling point of oxygen, which is the temperature at which oxygen changes from a gas to a liquid at constant pressure. To liquefy oxygen, it must be cooled to a temperature below its boiling point while maintaining a pressure of at least 1 atm. At lower pressures, the boiling point of oxygen decreases, so it can be liquefied at lower temperatures. Ammonia has a critical temperature of 405.5 K, which is greater than the ambient temperature. Since oxygen's critical temperature is lower than that of air, it cannot liquefy at room temperature.
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write and balance the equation for the complete combustion of ethane, c2h6 . phase symbols and energy changes are optional.
Answers
The equation for the complete combustion of ethane is:
C2H6 + 7/2O2 → 2CO2 + 3H2O
Reactants: Ethane (C2H6) and Oxygen (O2)
Products: Carbon Dioxide (CO2) and Water (H2O)
Steps to balance the given equation:
Write down the unbalanced equation.
C2H6 + O2 → CO2 + H2O
Balance the Carbon atoms on both sides of the equation.
C2H6 + O2 → 2CO2 + H2O
Balance the Hydrogen atoms on both sides of the equation.
C2H6 + O2 → 2CO2 + 3H2O
Balance the Oxygen atoms on both sides of the equation.
C2H6 + 7/2O2 → 2CO2 + 3H2O
The equation is balanced.
Phase symbols and energy changes are optional.
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A student spilled a bottle of ammonia in one corner of the laboratory. Soon the whole laboratory was felled with pungent irritating small. The students immediately opened the windows and doors and switched on the exhaust fans. After sometime, students got relief. Explain what did actually happen?
Answers
Answer: Initially when the student spilled the bottle of ammonia the ammonia gas particles diffused with the particles of air in the room. We know that the rate of diffusion of gases is very high. So the entire room filled up with the pungent smell of ammonia.
When he opened the doors and windows and switched on the exhaust fan, the air from the room along with the ammonia gas diffused with the air outside the room.Moreover, outside air entered into the room so the concentration of ammonia gas in the room air reduced.Due to these reasons the student got relief.
What is the root mean square velocity of a hypothetical gas (in m/s) which has molecular weight 41.4 g mol" at a temperature of 32.4 °C? Do not try to identify the gas.
Answers
The root mean square velocity of a hypothetical gas (in m/s) which has molecular weight 41.4g /mol at a temperature 32.4°C is 429.01 m/s.
The root mean square ( R.M.S ) velocity of molecules of gas is given by :
V = \(\sqrt{3RT/M}\)
where, R is gas constant = 8.3145 J / mol K = 8.3145 (Kg m²/s²) / mol K
T is temperature in kelvin = 32.4 °C = ( 32.4 + 273 ) K = 305.4 K
M is the molecular mass = 41.4 g/mol = 0.0414 kg/mol
we need to find out the root mean square velocity of gas , for that putting all the values in the formula:
V = \(\sqrt{3RT/M}\)
= \(\sqrt{3(8.314( Kg m^{2} / s^{2} )/mol K) (305.5 K) / 0.0414 kg/mol}\)
V = 429.01 m/s
The root mean square velocity = 429.01 m/s
Thus, The root mean square velocity of a hypothetical gas (in m/s) which has molecular weight 41.4g /mol at a temperature 32.4°C is 429.01 m/s.
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the seasonal shifts of earths planetary wind and moisture belts are due to changes in the
Answers
The seasonal shifts of Earth's planetary wind and moisture belts are due to changes in the latitude that receives the sun's vertical rays.
What is the latitude?The latitude refers to the specific geographic coordinates at some point of the Earth in relation to the Equator line.
Latitude and longitude are geographic coordinates that allow to localize a specific point in the world by using the center of the Earth's planet as point of origin.
The amount of sun rays received by a given latitude largely depends on the season since the Earth's planet has a light inclination that alter this amount of radiation.
In conclusion, the seasonal shifts are due to changes in the latitude that receives the sun's vertical rays.
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A set of solubility data is given below.
What is the mass of the dry solute
recovered?
Sample
2
Temperature
(°C)
30.1
Boat Mass
(8)
0.730
Boat +
Solution (g)
0.929
Boat + Dry
(g)
0.816
Answers
Answer:
0.086
Explanation:
got it on acellus
The mass of the dry solute recovered from the given data is 0.086 g. Option C
To determine the mass of the dry solute recovered, we need to subtract the mass of the boat from the mass of the boat with the dry solute.
Given the data provided:
Boat Mass: 0.730 g
Boat + Solution: 0.929 g
Boat + Dry: 0.816 g
To find the mass of the dry solute, we subtract the boat mass from the boat + dry mass:
Mass of Dry Solute = (Boat + Dry) - (Boat Mass)
Mass of Dry Solute = 0.816 g - 0.730 g
Mass of Dry Solute = 0.086 g
Therefore, the correct answer is c) 0.086 g.
The mass of the dry solute recovered from the given data is 0.086 g. It is important to note that the mass of the dry solute is obtained by subtracting the mass of the boat from the mass of the boat with the dry solute, as the boat mass represents the weight of the empty boat or container used in the experiment.
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which of the following is an example of a longitudinal wave
Answers
Answer:
Examples of longitudinal waves include: sound waves. ultrasound waves. seismic P-waves.
Explanation:
A tank contains 2m3of air at -93 ∘C and a gage pressure of 1.4 MPa. Determine the mass of air, in kg. The local atmospheric pressure is 1 atm.
Answers
To determine the mass of air in the tank, we need to first find its absolute pressure and then use the Ideal Gas Law:
PV = nRT, where P is the absolute pressure, V is the volume, n is the number of moles, R is the universal gas constant, and T is the temperature in Kelvin.
First, let's convert the temperature to Kelvin: -93 + 273.15 = 180.15 K.
Next, we need to find the absolute pressure, which is the gage pressure plus the atmospheric pressure. In this case, the absolute pressure is 1.4 MPa + 1 atm = 2.4 MPa.
Now, we can plug in the values and solve for n:
2.4 MPa * 2 m^3 = n * 8.31 J/mol * 180.15 K
n = (2.4 MPa * 2 m^3) / (8.31 J/mol * 180.15 K)
Finally, we can use the molar mass of air (about 28.97 g/mol) to convert n to mass:
mass = n * molar mass = (2.4 MPa * 2 m^3) / (8.31 J/mol * 180.15 K) * 28.97 g/mol
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What is the best way to show the lead levels in six contaminated water wells?
a line graph
a bar graph
a data table
a circle graph
Answers
According to the research, the correct option is a bar graph. It is the best way to show the lead levels in six contaminated water wells.
What is a bar graph?It is a graph that is used to show the changes that the data have undergone by graphing the data in bars, representing the frequencies by means of columns (or bars), through their height in a Cartesian plane.
It is a way of summarizing a set of data by categories, allowing different values to be compared using bars of different sizes.
Therefore, we can conclude that according to the research, the correct option is a bar graph. It is the best way to show the lead levels in six contaminated water wells.
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Changing the Amount of Epsom Salt
In this task, you will carry out the chemical reaction between Epsom salt and
2NH3+ MgSO4 + 2H₂O → Mg(OH)2 + (NH4)2SO4.
This time, you'll use varying amounts of Epsom salt to see how the amount o
of product. Review these lab safety requirements before you begin.
Estimated time to complete:
Total time: at least 8 hours
Active time: 1 hour
If you're using an Edmentum lab kit, remove the safety goggles, protective glo-
These materials are italicized in the following list. In addition to the kit materia
appearing in the list. If you aren't using an Edmentum lab kit or do not have ac
check with your teacher for help.
Answers
Put on safety goggles and protective gloves.
Changing the Amount of Epsom SaltMaterials-Safety goggles-Protective gloves-Beaker-Graduated cylinder-Stirring rod-2NH3-MgSO4-2H₂O-Epsom salt-Test tubes-Test tube rack-ThermometerProcedurePut on safety goggles and protective gloves.Measure out 2NH3, MgSO4, 2H₂O, and Epsom salt in separate beakers.Pour the measured amounts of each chemical into a test tube, in the following order: 2NH3, MgSO4, 2H₂O, and Epsom salt.Secure the test tube in a test tube rack.Heat the contents of the test tube to 80°C, using a thermometer to monitor the temperature.Stir the contents of the test tube with a stirring rod until all of the Epsom salt has dissolved.Allow the solution to cool to room temperature.Repeat steps 2-7, using different amounts of Epsom salt for each trial.To learn more about Changing the Amount of Epsom Salt refer to:
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PLS HELP NO LINKS PLS
What is the pH of normal rainfall?
Answers
Answer:
between 5 and 5.5
Explanation:
Answer:
between 5.0 and 5.5
Explanation:
between 5.0 and 5.5
Which type of element has properties that are intermediate between metals and nonmetals?Alkali metalsHalogensMetalloidsAlkaline earth metals
Answers
1) Groups of elements in the periodic table.
On the left, there are several types of metals and on the right, there are nonmetals, halogens, and noble gases.
There is a group that is between those mentioned above, the semi-metals also known as Metalloids.
.
The vapor pressure of water at 25c is 23.76 torr. if 1.25g of water is enclosed in a 1.5l container, will any liquid be present? if so, what mass of liquid?
Answers
Mass of liquid present in the container:
Yes, the liquid will be present, and of 1.2481 g
Calculation:
Given:
Volume = 1.5L
Temperature = 25 + 273 = 298K
P = 23.76 torr = 0.0312 atm
Using the ideal gas equation:
PV = nRT
Where:
P: PressureV: Volumen: number of molesR: gas constant = 0.0821 L atm \(K^{-1}\) \(mol^{-1}\)T: Temperaturemaking n subject of formula:
n = \(\frac{PV}{RT}\)
By putting all the values in the given equation, we get,
n = 0.0312 x 1.5 / 0.0821 x 298
n = 0.0019 moles
So, 0.00189 are moles of water in the vapor
Now, subtract 1.25g of water from moles of water vapor, and we will get the mass of the liquid left,
1.25 - 0.0019 = 1.2481 g
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