An ideal gas at 2 atm, 4 L and 300 K is changed to 3 L and 150 K. What is the new pressure in atm?

Answer and explanation

Correct answer: C. 4/3 atm

  1. Step 1: For a fixed amount of an ideal gas is constant.
  2. Step 2: atm.
Answer
4/3 atm.
Why not the others: 16/3 atm: the temperature ratio is inverted. 3/4 atm: the volume ratio is inverted.

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