Question

By what percentage should the pressure of a given mass of a gas be increased so as to decrease its volume by 10% at a constant temperature ?

• A. 8.1%
• B. 9.1%
• C. 10.1%
• D. 11.1%

Answer 1

Answer: (D)

11.1%

Answer 2

Percentage change = $\frac{Final - Initial}{Initial}$× 100