2 Answers

AJ Tatum · Answer 1 · 2020-01-15T09:12:08+0000

Answer:

The pressure of the gas is P=1.99 atm

Step-by-step explanation:

Given:

Amount of gas substance, n=3.0 mol

Volume of the gaseus substance V=33.6 L

To find :

Pressure of the gas =?

Solution:

According to Ideal gas Law,

P V=n R T

Where

p = pressure of the gas,

V = volume of the gas

n = amount of substance

R = ideal gas constant

T = temperature of the gas

Re-arranging the formula we get,

P V=n R T

Substituting the values ,

$P=\frac{3 * 0.082 \mathrm{Latm} \mathrm{mol}^(-1) \mathrm{K}^(-1) * 273.25 \mathrm{K}}{33.6 \mathrm{Lmol}^(-1)}$

$P=\frac{3 * 0.082 \mathrm{Latm} \mathrm{mol}^(-1) \mathrm{K}^(-1) * 273.25 \mathrm{K}}{33.64 \mathrm{mol}^(-1)}$

$P=\frac{3 * 0.082 \mathrm{atm} * 273.25}{33.6}$

P=(67.19 a t m)/(33.6)

$P=1.99 \mathrm{atm}$

Result :

The pressure of the gas is P=1.99 atm.

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