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Home › Chemistry › Gas Laws - Boyle's Law

Gas Laws - Boyle's Law — Chemistry Questions & Practice

Practise 492 Gas Laws - Boyle's Law questions from Chemistry for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Gas Laws - Boyle's Law — with answers

Try each question first, then open the answer. Explanations are included.

1. A gas occupies 5 L at a pressure of 1 atm. At constant temperature, if the volume changes to 30 L, what is the new pressure? (Boyle's Law: P1V1 = P2V2)

  1. A0.17
  2. B1.67
  3. C0.67
  4. D1.17
Show answer

Answer: A

By Boyle's Law: P1V1 = P2V2. 1 x 5 = P2 x 30. P2 = (1 x 5)/30 = 0.17 atm.

2. A gas occupies 5 L at a pressure of 1 atm. At constant temperature, if the volume changes to 40 L, what is the new pressure? (Boyle's Law: P1V1 = P2V2)

  1. A2.12
  2. B0.12
  3. C1.12
  4. D1.62
Show answer

Answer: B

By Boyle's Law: P1V1 = P2V2. 1 x 5 = P2 x 40. P2 = (1 x 5)/40 = 0.12 atm.

3. A gas occupies 5 L at a pressure of 1 atm. At constant temperature, if the volume changes to 50 L, what is the new pressure? (Boyle's Law: P1V1 = P2V2)

  1. A2.1
  2. B1.6
  3. C1.1
  4. D0.1
Show answer

Answer: D

By Boyle's Law: P1V1 = P2V2. 1 x 5 = P2 x 50. P2 = (1 x 5)/50 = 0.1 atm.

4. A gas occupies 5 L at a pressure of 1 atm. At constant temperature, if the volume changes to 60 L, what is the new pressure? (Boyle's Law: P1V1 = P2V2)

  1. A1.08
  2. B2.08
  3. C0.08
  4. D1.58
Show answer

Answer: C

By Boyle's Law: P1V1 = P2V2. 1 x 5 = P2 x 60. P2 = (1 x 5)/60 = 0.08 atm.

5. A gas occupies 5 L at a pressure of 1 atm. At constant temperature, if the volume changes to 75 L, what is the new pressure? (Boyle's Law: P1V1 = P2V2)

  1. A1.57
  2. B0.07
  3. C2.07
  4. D1.07
Show answer

Answer: B

By Boyle's Law: P1V1 = P2V2. 1 x 5 = P2 x 75. P2 = (1 x 5)/75 = 0.07 atm.

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