#### Question

If the pressure of an ideal gas decreases by 10% isothermally, then its volume will _______.

(A) decrease by 9%

(B) increase by 7%

(C) increase by 10%

(D) increase by 11.4%

#### Solution

increase by 11.4%

pv = nRT ... (1)

0.9pv' = nRT ... (2)

eq. 2 ÷ 1

v' = v/0.9

v' = 1.11v

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#### APPEARS IN

Solution If the Pressure of an Ideal Gas Decreases by 10% Isothermally, Then Its Volume Will Concept: Derivation for Pressure of a Gas.