List the three factors that determine the volume of a gas: When dealing with gas

Question

List the three factors that determine the volume of a gas: When dealing with gases, it is common to refer to volumes at standard temperature and pressure (STP). What are the value of standard temperature and pressure for gases? If the pressure exerted on a 100-L weather balloon changes from 1.0 atm to 2.0 atm. what would-be the volume of the balloon at the higher pressure? Assume the temperature does not change and the balloon has no leaks. What would happen to the volume of the 100-L weather balloon if its temperature increases from 25 degree C to 125 degree C while the external pressure remains constant? Again, there are no leaks in the balloon?

Explanation / Answer

Dear student, as you do not say wich question do you want us to answer, we will answer from questions 1 to 3, if you want more please post them in another question and we will gladly answer them:

1. a. Temperature: If the temperature increases, the volume of the gas increases, due to the gas expanding

     b. Pressure: If the pressure increase, the volume of the gas decrease, due to compression

     c. Number of moles (Quantity): More quantity of gas, the more volume it occupies

2. STP: Uses for values of temperature 273.15 °K (0 °C, 32 °F) and an absolute pressure of exactly 100 kPa (1 bar, 14.504 psi, 0.98692 atm).

3. Boyles law: For a fixed amount of an ideal gas kept at a fixed temperature, pressure and volume are inversely proportional.

    Charles law: When the pressure on a sample of a dry gas is held constant, the Kelvin temperature and the volume will be directly related.

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