In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about _____________ percent?
Correct answer: B. 0.5
- A. 0.25
- B. 0.5
- C. 0.75
- D. 1
Explanation
For an ideal gas undergoing an isothermal process, PV is constant, so V2/V1 = P1/P2 = 1/1.005 ≈ 0.995. The volume therefore decreases by about 0.5 percent.
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