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JAMB Chemistry 2024 Paper

Question : 112

Total: 138

^0

C and a pressure of 1.58 atm is

Solution:

Concept:

Use the ideal gas equation to find the volume occupied by one mole of gas at the given conditions.

Explanation:

The ideal gas equation is

PV = nRT

Convert temperature from Celsius to kelvin:

T = 13^\circ\text{C} + 273 = 286\text{ K}

Given values:

n = 1

mole,

P = 1.58

atm,

R = 0.082

L atm mol

^{-1}

^{-1}

. Also,

1

= 1

^3

Make volume the subject:

V = \frac{nRT}{P}

Substitute the values:

V = \frac{1 \times 0.082 \times 286}{1.58}

Calculate:

V = \frac{23.452}{1.58} = 14.84\text{ dm}^3

Thus, the volume occupied is

14.84

^3

Answer:

14.84

^3

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