A gas at 3 atm and volume 8 litres is compressed isothermally to 5 litres. What is the new pressure?

Answer and explanation

Correct answer: B. 4.8 atm

  1. Step 1: At constant temperature , so atm. Answer: 4.8 atm. Why not the others: 1.875 atm: inverts the ratio. 6 atm: adds and subtracts the numbers. 120 atm: multiplies all three.

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