We will see that rock would hit the ground first and cotton would hit later,
when we perform the same experiment in vaccum, then both will hit the ground at the same time.
No force is present in vaccum, the objects will be weightless as weight is a force. W = F = mg ( gravity is absent), g=0 so F= 0 W = 0 In vaccum space the all object will fall freely despite of their massesapparent weightlessness IS weight on an object without a support surfaceWhen gravity is zero , the object will have freefall accelaration.To know more about weightlessness visit : https://brainly.com/question/845413
#SPJ4
How many formula units are present in 24. 65 g CaCl2
There are 8.59 × 10^22 formula units in 24.65 g CaCl2.
The formula unit for CaCl2 is CaCl2, which indicates that there are one Ca and two Cl atoms bonded together. The number of formula units in 24.65 g of CaCl2 can be calculated using the mole-mass relationship. Since the molecular weight of CaCl2 is 111 g/mol, the number of moles of CaCl2 in 24.65 g is given by: 0.143 mol CaCl2
The number of formula units of CaCl2 can be calculated using Avogadro's number (6.022 × 10^23 formula units/mol).
6.022 × 10^23 formula units/mol = 1 molCaCl2 X formula units /mol × 0.143 mol CaCl2 = 0.859 × 10^23 formula units. Therefore, there are 8.59 × 10^22 formula units in 24.65 g CaCl2.
For more such questions on moles, click on:
https://brainly.com/question/29367909
#SPJ11
How is pomace related to the apple and yogurt industries? (1 point)
Pomace is a waste material from apple juice production that can be added to yogurt to boost nutritional value.
Pomace is a chemical from apples that can be used to remove non-nutritional products from yogurt.
Pomace is a waste material from yogurt production that can be added to apples to boost nutritional value.
Pomace is a chemical from yogurt production that can be used to purify waste from apple juice production.
Pomace is a waste material from apple juice production which can be used in yogurt industry in order to increase more nutrients.
What is relation of pomace to apple and yogurt industries?Pomace is a waste material that can be extracted after apple juice production. It can be added to yogurt to boost nutritional value. Apple pomace is also used to produce pectin, ciderkin, a weak cider, as well as white cider so we can conclude that Pomace can be used in yogurt industry in order to increase more nutrients.
Learn more about pomace here: https://brainly.com/question/672528
Answer:
A. Pomace is a waste from Apple production that can be added to yogurt to increase nutritional value.
Explanation:
Just took the test.
what phase is carbon dioxide in at 5 atm pressure and -20 C
Answer:
When a solid turns directly to a gas this is called sublimation. From the graph it can be seen if the pressure is raised to ~5 atm as the CO2 warms up, it will pass through its triple point.
Explanation:
Answer:If the pressure is raised to ~5 atm as the CO2 warms up, it will pass through its triple point.
Explanation:
(True / False) chemistry ionic compounds polyatomic ions with multiple charge cations
it is true that chemistry ionic compounds can contain polyatomic ions with multiple charge cations. These polyatomic ions are formed when two or more atoms covalently bond to form an ion with an overall charge, and they can combine with ions of opposite charge to form an ionic compound.
Ionic compounds are chemical compounds composed of cations (ions with a positive charge) and anions (ions with a negative charge), which are attracted to each other by electrostatic forces. It is true that chemical ionic compounds can contain polyatomic ions with multiple charge cations.
Polyatomic ions are ions that contain two or more atoms covalently bonded and have an overall charge. For example, the polyatomic ion ammonium (NH4+) has four hydrogen atoms covalently bonded to a nitrogen atom, giving the ion a charge of +1. Other polyatomic ions include carbonate (CO32-), sulfate (SO42-), and phosphate (PO43-).
These polyatomic ions can be present in ionic compounds, which are formed when these ions combine with ions of opposite charge to form a crystal lattice structure. The cations and anions in the compound must have a net charge of zero.
In conclusion, it is true that chemistry ionic compounds can contain polyatomic ions with multiple charge cations. These polyatomic ions are formed when two or more atoms covalently bond to form an ion with an overall charge, and they can combine with ions of opposite charge to form an ionic compound.
To know more about electrostatic forces visit :
brainly.com/question/31042490
#SPJ11
Helppppppppppppppppppppppp
Answer:
In fact, the moon is one of the least reflective objects in the solar system. The DSCOVER spacecraft captured this single photograph of the moon and the earth. Both the earth and the moon are illuminated by the same amount of sunlight coming from the same angle in this photo.
The moon shines because its surface reflects light from the sun. And despite the fact that it sometimes seems to shine very brightly, the moon reflects only between 3 and 12 percent of the sunlight that hits it. The perceived brightness of the moon from Earth depends on where the moon is in its orbit around the planet.
An experiment is done on three tomato plants over a 50-day period to test the following hypothesis: If either fertilizer or compost is used on plants then a plant that gets fertilizer will affect the plant growth the most.
The same amount of water and light were applied to each tomato plant. Pot A contained no fertilizer or compost, Pot B contained fertilizer and Pot C contained compost. Which is the dependent variable?
Select one:
a. Amount of water
b. Amount of light
c. Time of experiment
d. Plant growth
The dependent variable in the experiment is plant growth. It is the variable that is being measured and is expected to be affected by independent variable, which is the type of soil amendment used in this case. Option: d is correct.
The amount of water and light were kept constant across all three tomato plants to eliminate their potential influence on the plant growth. By measuring the growth of the plants over the 50-day period, the researchers can compare the effect of the different soil amendments on the growth of the plants. The dependent variable is important in this experiment because it will provide evidence as to whether the hypothesis is supported or not. Hence option d is correct.
To know more about dependent variable, here
brainly.com/question/29430246
#SPJ1
Which of the following is the best reason to read directions carefully before beginning any type of lab?
A. so that you can perform the experiment quickly
B. so that you can ask questions about steps you do not understand
C. so that you can answer all questions at the end of the lab
D. so that you can decide when is the best time of day to complete the lab
Answer:
B
Explanation:i think
What is the ATP for weeks 1 to 8?
Consider this MPS and the ATP calculations for a firm
The ATP (Available-to-Promise) for weeks 1 to 8 is the amount of inventory that a firm can commit to fulfilling customer orders within that time frame.
To calculate the ATP, you need to consider the MPS (Master Production Schedule) and the ATP calculations.
1. Start by looking at the MPS for weeks 1 to 8. The MPS represents the planned production quantities for each week.
2. Determine the beginning inventory for week 1. This is the inventory available at the start of week 1.
3. Add the MPS quantity for week 1 to the beginning inventory. This gives you the available inventory for week 1.
4. Subtract customer orders for week 1 from the available inventory. This gives you the remaining inventory after fulfilling customer orders for week 1.
5. Repeat steps 3 and 4 for each subsequent week, using the previous week's remaining inventory as the beginning inventory for the next week.
6. Continue this process until you reach week 8, calculating the available inventory and subtracting customer orders for each week.
7. The resulting values represent the ATP for weeks 1 to 8.
The ATP can fluctuate as new customer orders are received or changes are made to the MPS. Regular monitoring and adjustment of the ATP is necessary to ensure accurate order fulfillment.
Learn more about inventory from:
https://brainly.com/question/26977216
#SPJ11
Help ASAP the question is in the picture
Answer:
1. Pharynx
2. Larnyx
3. Mouth
4. Trachea
5. Lungs
6. Diaphragm
7. Bronchi
8. Alveoli
9. Nasal Cavity
10. Bronchioles
What’s “the ring of fire” meaning ( no answers from goo gle please I really wanna understand this because it’s coming in my test and plsss short answers)
Answer:
"Ring of Fire" sounds ominous, the term refers to falling in love
Explanation:
Brainliest???
1. What are elements and compounds? Give an example of each.
Answer:
Well elements are chemical substances while a compound consists of two or multiple elements put together.
Explanation:
Answer:
Elements
iron,
copper,
silver,
gold,
hydrogen,
carbon,
nitrogen,
and oxygen.
Compounds
Sugar (sucrose - C12H22O11)
Table salt (sodium chloride - NaCl)
Water (H2O)
Carbon dioxide (CO2)
Sodium bicarbonate (baking soda - NaHCO3)
Is water a reactant or product?
Answer: Reactant
Explanation:
In simple wording, Water act as a reactant and it broke or we can say split the larger molecule in the smaller ones, The H and OH bonds are attached to the two products that are formed after the reaction. Another process in which water is used as an important reactant is photosynthesis.
Something that causes an object to move
Help Please!! How do I do this?
A sample of nitrogen is heated from STP to 100°C at constant pressure. Calculate the volume at 100°C.
Considering the Charles' law and STP conditions, the volume at 100°C is 30.60 L.
Charles' lawCharles' law establishes the relationship between the volume and the temperature of a sample of gas at constant pressure and establishes that when the temperature is increased the volume of the gas also increases and that when cooling the volume decreases.
Mathematically, Charles's law is expressed as:
V÷T=k
where:
V is the volume.
T is the temperature.
k is a constant.
Analyzing an initial state 1 and a final state 2, it is fulfilled:
V₁÷T₁= V₂÷T₂
STP conditionsThe STP conditions refer to the standard temperature and pressure. Pressure values at 1 atmosphere and temperature at 0 ° C are used and are reference values for gases. And in these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.
Volume at 100°CIn this case, you know:
V₁= 22. 4 LT₁= 0°C= 273 KV₂= ?T₂= 100 °C= 373 KReplacing in Charles' law:
22.4 L÷ 273 K= V₂÷ 373 K
Solving:
(22.4 L÷ 273 K)× 373 K= V₂
30.60 L= V₂
Finally, the final volume is 30.60 L.
Learn more about Charles' law and STP:
https://brainly.com/question/4147359
https://brainly.com/question/29396023
#SPJ1
Identify one instance each of kinetic energy and potential energy
Answer:
Few Examples of Kinetic Energy
The following are typical examples of kinetic energy:
A wrecking ball used to demolish a building through utilization of the kinetic energy it possesses in motion.
Conversion of liquid water to steam, by virtue of the fast movement of the molecules of the liquid upon agitation
A golf ball after being struck off the tee
An asteroid falling towards Earth at incredible speed
A downhill skier traveling down a hill
The flow of a river
An airplane in motion (possesses a tremendous amount of kinetic energy. This is because the mass of the airplane and the velocity at which it moves are enormous)
Explanation:
Answer:
"The battery in the car has potential energy in the form of chemical energy. As the car is turned on and moves, this potential energy becomes kinetic energy."
Explanation:
Remember to change it up a bit.
diagram of paper chromatography from a chemistry textbook
What test method best determines chemical feed/dosage rates?
a.) Jar
b.) Turbidity
c.) Hammer
d.) Hardness
The test method that best determines chemical feed/dosage rates is the Jar test.
The best test method to determine chemical feed/dosage rates is a.) Jar test. This method involves simulating the coagulation, flocculation, and sedimentation processes in a controlled environment to determine the optimal dosage of coagulants or other treatment chemicals.
The jar test is used to determine the correct dosage of chemicals to be added to water or wastewater in order to remove tiny particles. Surface water sources including lakes, rivers, and reservoirs or groundwater well supplies both provide raw drinking water. Surface water frequently includes a lot of suspended particles, which gives it the appearance of being turbid, but groundwater usually tends to be relatively clear. Particulates are frequently to blame for some of the issues with colour, flavour, and odour that are connected to raw water supplies. For reuse or to recover valuable materials from the trapped particles, industrial effluent may be processed for particulate removal.
To know more about test method click here:
https://brainly.com/question/31381685
#SPJ11
True or False: Ionic bonding means atoms COMPLETELY GIVE AWAY OR TAKE their electrons from each other. *
Answer: The given statement is True.
Explanation:
An ionic bond is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal.
A covalent bond is formed when an element shares its valence electron with another element. This bond is formed between two non metals.
Thus the given statement is True.
what is the most penetrating kind of radiation product that can be shielded with aluminum foil?alpha particlesbeta particlesgamma rayshigh-energy photons
The most penetrating kind of radiation that can be shielded with aluminum foil is beta particles.
Beta particles are high-energy electrons or positrons emitted during radioactive decay. They have greater penetrating power compared to alpha particles (helium nuclei) but less than gamma rays and high-energy photons.
Aluminum foil is effective at stopping or attenuating beta particles because it is relatively thin and has a high atomic number. As beta particles interact with matter, they undergo multiple scattering and ionization processes, losing energy and becoming increasingly attenuated.
On the other hand, gamma rays and high-energy photons have much higher penetrating power and require denser shielding materials such as lead or concrete to effectively attenuate them. Gamma rays are electromagnetic radiation, while high-energy photons refer to energetic X-rays or gamma rays. These forms of radiation can pass through aluminum foil relatively easily and require more substantial barriers for effective shielding.
learn more about Beta particle here:
https://brainly.com/question/2193947
#SPJ4
What MASS of NaCl are required to make 2.69L of a 0.14M solution?Use the correct abbreviation for the UNITS
To solve this problem, let's use the definition for molarity:
Replacing the values of the problem:
Now, to find the mass, we multiply by the molecular weight of NaCl. (Which is about 58.44g/mol)
The answer is approximately 22.2g of NaCl
How many Joules of heat are needed to raise the temperature of 500. grams of water from 15.0ºC to 20.0ºC?
Answer: 2,090J
The equation to find the specific heat is determined by the equation q = mcΔT, where q = total heat, m=mass, c = specific heat, and ∆T change in temperature.
Recall that the specific heat capacity for water is 4.18J/gºC
So, plug this along with your specific values into the equation.
q = 100g * (4.18J/gºC) * (20.0ºC-15.0ºC)
q = 2090J
how can 100. ml of sodium hydroxide solution with a ph of 13.00 be converted to a sodium hydroxide solution with a ph of 12.00 ? responses
To convert 100 ml of sodium hydroxide solution with a pH of 13.00 to a sodium hydroxide solution with a pH of 12.00, one method would be to dilute the solution with distilled water.
By diluting the solution, the concentration of hydroxide ions (OH-) will decrease, thus reducing the pH of the solution. The exact amount of distilled water needed to reach a pH of 12.00 will depend on the original concentration of the sodium hydroxide solution. However, you can add small amounts of distilled water to the solution and measure the pH after each addition until the desired pH is reached. It's important to note that the conversion of sodium hydroxide solution from pH 13.00 to 12.00 involves a significant decrease in the concentration of hydroxide ions, and care should be taken when handling strong alkaline solutions.
Learn more about solution:
brainly.com/question/1616939
#SPJ4
In a combustor, CO flows steadily at 25° C and 100 kPa, and reacts with gaseous O2 which flows in steadily at 25 and 100 kPa. The combustor is adiabatic. The products leave at an unknown temperature (adiabatic flame temperature). The amount of O2 is such that the products contain only CO2. The pressure of the outgoing CO2 is 100 kPa. The adiabatic flame temperature in Kelvin is,
4450
4650
4850
5050
5250
The adiabatic flame temperature is 298.15k. In a combustor, carbon monoxide (CO) reacts with gaseous oxygen (0₂) to produce carbon dioxide (CO₂).
The process is adiabatic, meaning there is no heat exchange with the surroundings. The reactants enter the combustor at 25°C and 100 kPa, and the products exit at an unknown temperature called the adiabatic flame temperature. The pressure of the outgoing CO₂ is 100 kPa. We need to calculate the adiabatic flame temperature in Kelvin.
To calculate the adiabatic flame temperature, we can use the principle of adiabatic combustion and the First Law of Thermodynamics, which states that the change in internal energy of a system is equal to the heat added minus the work done by the system.
In this case, since the combustor is adiabatic, there is no heat exchange with the surroundings, so the heat added is zero. Therefore, the change in internal energy is solely due to the work done by the system.
The work done by the system is equal to the pressure-volume work, which can be expressed as:
Work = P * (V_final - V_initial)
Since the combustor is operating at steady state, the volume remains constant, so the work done is also zero. This means that the change in internal energy is zero.
Since the change in internal energy is zero, the adiabatic flame temperature is the same as the initial temperature of the reactants, which is 25°C. Converting this to Kelvin, we have:
Adiabatic flame temperature = 25°C + 273.15 = 298.15 K
Therefore, the adiabatic flame temperature is 298.15 K.
To learn more about adiabatic click here: brainly.com/question/15712808
#SPJ11
1
The process of a solid turning into a liquid is called
Answer:
Melting
Explanation:
Once heat is added it will turn to a liquid
Melting is the process of turning solid to liquid.
Consider a galvanic cell with a beaker of sulfuric acid and a beaker of nitric acid. The sulfuric acid beaker contains a strip of tin, and the nitric acid cell contains a strip of platinum. A wire runs between the strips. The reaction that occurs is as follows:
3Sn(s) + 2NO3–(aq) + 8H+(aq) → 3Sn2+(aq) + 2NO(g) + 4H2O(l)
In three to five sentences, list which electrode is the anode and which is the cathode and the half reactions that occur at each electrode.
I wrote, The platinum electrode is the cathode in this reaction. The tin electrode is the anode in this reaction. In the half reactions that occur the nitrate is reduced to nitric oxide(NO) while the tin electrode is oxidized to Sn2+.
Oxidation occurs at the tin half cell(anode) while reduction occurs at the nitrate half cell(cathode).
A galvanic cell refers to a cell that produces electrical energy spontaneously by redox reaction. Oxidation occurs at the anode while reduction occurs at the cathode in a galvanic cell.
The oxidation half equation at the anode occurs as follows;
3Sn(s) → 3Sn^2+(aq) + 6e
The reduction half equation that occurs at the cathode is;
2NO3–(aq) + 8H+(aq) + 6e→ 2NO(g) + 4H2O(l)
We can see that electron loss occurs at the cathode while electron gain occurs at the anode as we can see in the equations above.
Learn more: https://brainly.com/question/13440572?
If I add 2.75 g of CaO to 155 mL of distilled water, what will be the concentration of the solution be?
A 29.5 g sample of nitrogen, N2, has a volume of 50.0 L and a pressure of 550. mmHg.What is the temperature of the gas in kelvins?Express your answer to three significant figures.
Answer:
\(418\text{ K}\)Explanation:
Here, we want to get the temperature of the gas
Mathematically, from the ideal gas equation:
\(\begin{gathered} PV\text{ = nRT} \\ T\text{ = }\frac{PV}{nR} \end{gathered}\)where:
T is the temperature that we want to calculate
V is the volume given as 50 L
n is the number of moles that we can get by dividing the given mass by the molar mass of N2 (The molar mass of N2 is 28 g/mol: thus, we have the number of moles as 29.5/28 = 1.054 mol)
P is the pressure which we have to convert to atm by dividing by 760 mm Hg: we have that as 550/760 = 0.724 atm)
R is the molar gas constant which is 0.0821 L.atm/mol.K
Substituting the values, we have it that:
\(T\text{ = }\frac{0.724\times50}{1.054\times0.0821}\text{ = 418K}\)which of the following solutions is a good buffer system? a solution that is 0.10 m nacl and 0.10 m hcl a solution that is 0.10 m hcn and 0.10 m licn a solution that is 0.10 m naoh and 0.10 m hno3 a solution that is 0.10 m hno3 and 0.10 m kno3 a solution that is 0.10 m hcn and 0.10 m nacl
0.10 M HCN and 0.10 M KCN is a good buffer system.
A good buffer system consists of a weak acid and its conjugate base or a weak base and its conjugate acid. The buffer system should resist changes in pH when small amounts of acid or base are added to the solution.
From the options given, the solution that is 0.10 M HCN and 0.10 M KCN is a good buffer system.
HCN is a weak acid, and KCN is its conjugate base. The buffer system can resist changes in pH because HCN can donate a proton to neutralize added base, and KCN can accept a proton to neutralize added acid. The pH of the buffer solution will remain relatively constant even if a small amount of acid or base is added to it.
The other options do not contain a weak acid and its conjugate base or a weak base and its conjugate acid and therefore are not good buffer systems.
Learn more about buffer;
https://brainly.com/question/13076037
#SPJ4
when the exact composition and amounts of carbon and nitrogen in the media ingredients are unknown, these media are called?
When the exact composition and amounts of carbon and nitrogen in the media ingredients are unknown, these media are called complex media.
In microbiology and cell culture, media refers to the nutrient-rich solutions or mixtures used to support the growth and propagation of microorganisms or cells. These media typically contain various components such as carbon, nitrogen, minerals, vitamins, and other essential nutrients.
When the exact composition and amounts of carbon and nitrogen in the media ingredients are unknown, the media are referred to as complex media. Complex media are usually made from natural sources, such as yeast extract, beef extract, or peptone, which contain a mixture of nutrients in undefined proportions.
Complex media are commonly used in laboratory settings when the precise requirements of the microorganisms or cells being cultured are not well-defined or understood. They provide a broad range of nutrients that support the growth of a wide variety of organisms.
Contrastingly, defined or synthetic media have a precisely known composition, with the exact amounts and sources of carbon, nitrogen, and other nutrients specified. These media are used when researchers need precise control over the nutrients provided to the microorganisms or cells, allowing for specific growth conditions and experiments.
When the composition and amounts of carbon and nitrogen in the media ingredients are unknown, the media are called complex media. Complex media are used when the precise requirements of the microorganisms or cells are not well-defined, providing a mixture of nutrients that can support the growth of various organisms.
To know more about composition visit ,
https://brainly.com/question/29886197
#SPJ11
3) Pick the correct definition for : A signal represented by a continuous wave *-1 analog signal-2 digitized siganal-3-encode-4-transmit-5-wave pulse.
plzzzz help brainliest and 50 points
Answer:
it is analog signal, your welcome
Analog Signal is the correct answer
Hope it helps you