8. As th e temperature of a gas sample increases, the number of molecules and vo

Question

8. As th e temperature of a gas sample increases, the number of molecules and volume remaining constant, the pressure exerted by the gas A. increases. C. remains the same. 9. As the pressure of a sample of gas is increased at constant temperature, the volume of the gas will A. increases. B. decreases. C. remain the same. 10. A 3.00 L sample of a gas at a pressure of 4.00 atm is compressed to 2.00 L at a constant temperature. What is the pressure of the gas? A. 2.00 atm B. 6.00 atm C. 12.0 atm D. 24.0 atm 11. A 120. mL sample of a gas is at a pressure of 1.50 atm. If the temperature remains constant, what will be its volume at 3.50 atm of pressure? A. 280. ml B. 22.9 mL C. 120. mlL D. 51.4 mL A 4.00 L sample of a gas is at a pressure of 2.00 atm. If the temperature remains constant, what will be its volume at 0.500 atm of pressure? A. 1.00 L 12. B. 16.0 L C. 0.250 L D. 4.00 L As the temperature of a sample of gas is increased at constant pressure, its volume will A. increase. 13. B. decrease. C. remain the same.

Explanation / Answer

Q8. Correct answer is (A) Increases

Q9. Correct answer is (B) Decreases

Q10. Correct answer is (B) 6.00 atm

Q11. Correct answer is (D) 51.4 mL

Q12. Correct answer is (B) 16.0 L

Q13. Correct answer is (A) Increase

Explanation

Q8. According to Gay-Lussac's Law, volume of gas is directly proportional to its absolute temperature with moles (or molecules) and pressure remaining constant. when temperature increases, volume also increases.

Q9. According to Boyle's Law, volume of gas is inversely proportional to its pressure with moles (or molecules) and temperature remaining constant. when pressure increases, volume decreases.

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