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Serga [27]
3 years ago
14

How can the conversion from potential energy to kinetic energy provide energy that is useful to people

Chemistry
1 answer:
DanielleElmas [232]3 years ago
8 0
Because people walk
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What is the pressure in a container that has 3 atm H2, 2 atm of N2 and 5 atm of F2?
LekaFEV [45]
<h3>Pressure has additive properties meaning that if you add the partial pressures together, you obtain total pressure.  P total = P1 + P2 + P3 + ...  Pressure of container = pressure of H2 + Pressure of N2 + Pressure of F2                                          = 3atm + 2atm + 5atm                                                        = 10atm    Hope that helped. ;)</h3>
7 0
3 years ago
In a solution, what is the substance that does the dissolving called?
Soloha48 [4]

Answer and Explanation:

The substance that does the dissolving (or dissolves in the solution) is the <u>solute</u>.

- The solute is the substance that is being dissolved

The substance that makes the solute dissolve is called the <u>solvent.</u>

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5 0
3 years ago
The table below shows a comparison of the different gas laws. Some cells have been left blank.
Mumz [18]
<span>The combined gas equation relates three variables pressure, temperature and volume when the number of moles is constant.

The equation is PV / T = constant. Which is valid for a fixed number of moles of the gas.

You can derive the combined gas equation from the combination of Bolye's law, Charles' law and Gay-Lussac's law, which needs some algebra.

Answer: option 2. number of moles.
</span>
5 0
3 years ago
Read 2 more answers
What resource is nonrewable?<br> A. Pigs<br> B. Wheat<br> C. Water<br> D. Petroleum
Dovator [93]
Answer to the question

D. Petroleum
6 0
4 years ago
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PV=nRT show how the density of a vapor may be determined by this method
olasank [31]

Answer:

d = PM / RT

Explanation:

Density can be measure from,

PV = nRT

in this equation

P = pressure

V = volume

n = number of moles

R = general gas constant

T = temperature

It is known that,

number of moles = mass/ molar mass

n = m/M

We will put the n= m/M in PV= nRT

PV = m/M ×RT   ......... (1)

density = mass/volume

d= m/v

By rearranging equation (1)

P V/m = RT/M

P = m/V×RT/M

P = dRT/M

d = PM / RT

8 0
3 years ago
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