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Grade 11 Gas Laws Worksheet with Answers

Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Chemistry

Unit 4: Gases & Nuclear ChemistryGas LawsNGSS HS-PS3-2

Boyle's and Charles's laws for how gas pressure, volume and temperature are related. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Gas Laws

Grade 11 · Chemistry

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Learning goal: Gas Laws · NGSS HS-PS3-2

Directions: Read each question carefully and write your answer on the line. Use the diagram to help you.

Example

At constant temperature, if the volume of a gas decreases, what happens to its pressure?

Answer: it increases

RememberGas laws

Boyle: P₁V₁ = P₂V₂more pressure → less volumeCharles: V₁/T₁ = V₂/T₂hotter → bigger (T in K)Ideal: PV = nRTR = 0.0821 L·atm/(mol·K)
  1. 1

    A gas has a volume of 2 L at 200 K. At constant pressure it is heated to 400 K. What is its new volume?

    V₁ = 2 LT₁ = 200 KV₂ = ?T₂ = 400 K
  2. 2

    A gas at 100 kPa has a volume of 6 L. At constant temperature, the pressure rises to 200 kPa. What is the new volume?

    P₁ = 100 kPaV₁ = 6 LP₂ = 200 kPaV₂ = ?
  3. 3

    A gas at 100 kPa has a volume of 9 L. At constant temperature, the pressure rises to 300 kPa. What is the new volume?

    P₁ = 100 kPaV₁ = 9 LP₂ = 300 kPaV₂ = ?
  4. 4

    A gas has a volume of 2 L at 300 K. At constant pressure it is heated to 600 K. What is its new volume?

    V₁ = 2 LT₁ = 300 KV₂ = ?T₂ = 600 K
  5. 5

    A gas has a volume of 8 L at 400 K. At constant pressure it is heated to 800 K. What is its new volume?

    V₁ = 8 LT₁ = 400 KV₂ = ?T₂ = 800 K
  6. 6

    A gas has a volume of 5 L at 400 K. At constant pressure it is heated to 800 K. What is its new volume?

    V₁ = 5 LT₁ = 400 KV₂ = ?T₂ = 800 K
  7. 7

    A gas at 100 kPa has a volume of 48 L. At constant temperature, the pressure rises to 400 kPa. What is the new volume?

    P₁ = 100 kPaV₁ = 48 LP₂ = 400 kPaV₂ = ?
  8. 8

    A gas at 800 kPa has a volume of 4 L. At constant temperature, the volume grows to 16 L. What is the new pressure?

    P₁ = 800 kPaV₁ = 4 LP₂ = ?V₂ = 16 L
  9. 9

    A gas has a volume of 7 L at 300 K. At constant pressure it is heated to 600 K. What is its new volume?

    V₁ = 7 LT₁ = 300 KV₂ = ?T₂ = 600 K
  10. 10

    A gas has a volume of 2 L at 400 K. At constant pressure it is heated to 600 K. What is its new volume?

    V₁ = 2 LT₁ = 400 KV₂ = ?T₂ = 600 K
  11. 11

    A gas has a volume of 4 L at 400 K. At constant pressure it is heated to 800 K. What is its new volume?

    V₁ = 4 LT₁ = 400 KV₂ = ?T₂ = 800 K
  12. 12

    A gas at 250 kPa has a volume of 24 L. At constant temperature, the pressure rises to 1000 kPa. What is the new volume?

    P₁ = 250 kPaV₁ = 24 LP₂ = 1000 kPaV₂ = ?

★ Challenge corner for fast finishers

On the Moon (no air), a hammer and a feather are dropped together. Which lands first?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/chemistry/11/gas_laws

Answer key (click to show)
  1. 1.4 L
  2. 2.3 L
  3. 3.3 L
  4. 4.4 L
  5. 5.16 L
  6. 6.10 L
  7. 7.12 L
  8. 8.200 kPa
  9. 9.14 L
  10. 10.3 L
  11. 11.8 L
  12. 12.6 L
  13. ★they land at the same time (challenge corner)

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