EJU Japan · EJU Chemistry

States of Matter

12 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 12 questions

  1. A fixed amount of gas has pressure 2 Pa, volume 3 L and temperature 300 K. It is changed to 12 L and 800 K. What is the new pressure in Pa?
  2. A fixed amount of gas has pressure 0.5 Pa, volume 8 L and temperature 200 K. It is changed to 6 L and 400 K. What is the new pressure in Pa?
  3. A fixed amount of gas has pressure 0.5 Pa, volume 8 L and temperature 200 K. It is changed to 6 L and 300 K. What is the new pressure in Pa?
  4. A fixed amount of gas has pressure 2 Pa, volume 3 L and temperature 300 K. It is changed to 12 L and 150 K. What is the new pressure in Pa?
  5. A fixed amount of gas has pressure 0.5 Pa, volume 8 L and temperature 200 K. It is changed to 12 L and 600 K. What is the new pressure in Pa?
  6. A fixed amount of gas has pressure 1 Pa, volume 6 L and temperature 300 K. It is changed to 12 L and 400 K. What is the new pressure in Pa?
  7. How many litres does 1 mol of an ideal gas occupy at 500 K and 4 Pa? Use Pa L/(mol K).
  8. How many litres does 4 mol of an ideal gas occupy at 300 K and 2 Pa? Use Pa L/(mol K).
  9. How many litres does 1 mol of an ideal gas occupy at 400 K and 4 Pa? Use Pa L/(mol K).
  10. How many litres does 0.5 mol of an ideal gas occupy at 500 K and 2 Pa? Use Pa L/(mol K).
  11. How many litres does 2 mol of an ideal gas occupy at 400 K and 1 Pa? Use Pa L/(mol K).
  12. How many litres does 0.5 mol of an ideal gas occupy at 300 K and 1 Pa? Use Pa L/(mol K).

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