For many purposes we can treat propane as an ideal gas at temperatures above its boiling point of . suppose the temperature of a sample of propane gas is raised from ⁢ to , and at the same time the pressure is changed. if the initial pressure was and the volume increased by , what is the final pressure? round your answer to the correct number of significant digits.

(This question is missing some values).

The  combined gas law is used to determine the change in volume, pressure and temperature of gases. It states that the ratio between the pressure-volume product and temperature is a constant.

Mathematically, P1V1/T1 = P2V2/T2, where P1 and P2 are the initial and final pressures, V1 and V2 are the initial and final volumes, T1 and T2 are the initial and final temperatures in kelvin.

Explanation:

The boiling point of propane is -42°C.

Assuming the initial and final temperatures are 10°C and 25°C respectively; the volume increased by 20%; if the initial pressure = 1atm, final pressure can be found using the equation P1V1/T1 = P2V2/T2.

P1 = 1atm, P2 = ?, V1 = V, V2 = 0.2V, T1 = 10 + 273K = 283K, T2 = 25 + 273K = 298K.

Making P2 subject of formula, P2 = P1V1T2/V2T1

P2 = 1 * V *298/(0.2 V * 283)

P2 = 5.2atm

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

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