CHEM101L Lab Exam 8

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101L

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Chemistry

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Jan 9, 2024

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CHEM101L_LAB_V5 | Lab 8: Using the Ideal Gas Law Question 1 Incorrect 0.00 points out of 1.40 Question 2 Correct 1.40 points out of 1.40 Started on Friday, December 1, 2023, 4:28 PM State Finished Completed on Friday, December 1, 2023, 4:32 PM Time taken 4 mins 14 secs Grade 11.20 out of 14.00 ( 80 %) Which gas law states: temperature and pressure are directly proportional? Select one: a. Boyle’s b. Charles’s c. Avogadro’s d. Gay-Lussac’s In general, for a gas at a constant volume: Select one: a. The pressure of the gas is directly proportional to its temperature in Kelvin. b. The volume of the gas is directly proportional to its temperature in Celsius. c. The pressure of the gas is inversely proportional to its temperature in Kelvin. d. The volume of the gas is inversely proportional to its temperature in Celsius. My Account
Question 3 Correct 1.40 points out of 1.40 Question 4 Correct 1.40 points out of 1.40 Question 5 Correct 1.40 points out of 1.40 Which gas law states: volume will decrease if pressure increases, and vice versa? Select one: a. Boyle’s b. Charles’s c. Avogadro’s d. Gay-Lussac’s What is the pressure of 21 moles of gas at a temperature of 73 °C and volume of 93.33 L? Select one: a. 1.35 atm b. 2.70 atm c. 0.64 atm d. 6.39 atm Calculate the number of moles of gas with a volume of 70 L at a temperature of 65 °C and pressure of 2.4 atm. Select one: a. 6.05 moles b. 3.15 moles c. 1.65 moles d. 3.30 moles
Question 6 Incorrect 0.00 points out of 1.40 Question 7 Correct 1.40 points out of 1.40 Question 8 Correct 1.40 points out of 1.40 Which gas law is primarily used when working with volume or temperature changes? Select one: a. Boyle’s b. Charles’s c. Avogadro’s d. Gay-Lussac’s What effect would a decrease in volume have on pressure, assuming that temperature (T) and moles of gas (n) are kept constant? Select one: a. Pressure would increase. b. Pressure would stay the same regardless of a change in volume. c. Pressure would decrease. d. Not able to determine with the above information. Which gas law states: volume will decrease if pressure increases, and vice versa? Select one: a. Boyle’s b. Charles’s c. Avogadro’s d. Gay-Lussac’s
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