A gas at 2 atm and volume 6 litres is compressed isothermally to 5 litres. What is the new pressure?

Answer and explanation

Correct answer: C. 2.4 atm

  1. Step 1: At constant temperature , so atm. Answer: 2.4 atm. Why not the others: 5/3 atm: inverts the ratio. 3 atm: adds and subtracts the numbers. 60 atm: multiplies all three.

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