Homework Answers
As temperature of gas decreases, the kinetic energy of gas also decreases. Kinetic energy is measure of average speed, and hence average speed of gas also decreases.
There is no any effect of kinetic energy on Mass.
Therefore, Ans = B.
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9:08 LTE Question 20 of 23 Submit As the temperature decreases, what can be said about...
9:08 LTE Question 21 of 23 Submit For a constant temperature, which will have the greatest average speed? A) Ne B)...
9:08 LTE Question 21 of 23 Submit For a constant temperature, which will have the greatest average speed? A) Ne B) Ar C) Kr D) They'll all have equal speeds Tap here or pull up for additional resources
9:08 LTE Question 22 of 23 Submit Under what conditions are gases most likely to behave...
9:08 LTE Question 22 of 23 Submit Under what conditions are gases most likely to behave ideally? A) High pressures B) Low temperatures C) Polar molecules D) Low pressures E) Large molecules Tap here or pull up for additional resources
9:08 LTE Question 19 of 23 Submit What is the difference between effusion and diffusion? A)...
9:08 LTE Question 19 of 23 Submit What is the difference between effusion and diffusion? A) Diffusion separates gases, and effusion collects them. B) Diffusion is through a pinhole, and effusion is through open space. C) Effusion separates gases, and diffusion collects them. D) Effusion is through a pinhole, and diffusion is through open space. E) Diffusion is for real gases, and effusion for ideal gases. Tap here or pull up for additional resources
9:08 LTE Question 19 of 23 Submit What is the difference between effusion and diffusion? A)...
9:08 LTE Question 19 of 23 Submit What is the difference between effusion and diffusion? A) Diffusion separates gases, and effusion collects them. B) Diffusion is through a pinhole, and effusion is through open space. C) Effusion separates gases, and diffusion collects them. D) Effusion is through a pinhole, and diffusion is through open space. E) Diffusion is for real gases, and effusion for ideal gases. Tap here or pull up for additional resources
8:53 LTE Question 5 of 23 Submit If a sealed, rigid container's pressure is doubled, what...
8:53 LTE Question 5 of 23 Submit If a sealed, rigid container's pressure is doubled, what will happen to temperature? A) The temperature will decrease by a factor of 2 B) The temperature will decrease by a factor of 4 C) The temperature will increase by a factor of 2 D) The temperature will increase by a factor of 4 E) The temperature will remain the same Tap here or pull up for additional resources
8:36 LTE Question 3 of 23 Submit A helium balloon initially at room temperature is dunked...
8:36 LTE Question 3 of 23 Submit A helium balloon initially at room temperature is dunked into a bucket of liquid nitrogen (T = 77 K). Which of the following will occur? A) Volume increases B) Volume decreases C) The number of moles increases D) The number of moles decreases E) Temperature increases Tap here or pull up for additional resources
9:08 LTE Question 18 of 23 Submit How many milliliters of Co gas would be produced...
9:08 LTE Question 18 of 23 Submit How many milliliters of Co gas would be produced by the complete reaction of 2.40g of Cat STP according to the following reaction? Remember 1 mol of an ideal gas has a volume of 22.4 L at STP C(s) + H2O(g) → CO(g) + H2(g) STARTING AMOUNT ADD FACTOR ANSWER 4.48 8.92 g/mol có mL CO 22.4 4480 molc 1920 mol CO 0.001 2.40 LCO 28.01 1000 gCO 6.022 x 1023 gC 12.01...
9:08 LTE Question 17 of 23 Submit How many moles of NHs form when 32.4 L...
9:08 LTE Question 17 of 23 Submit How many moles of NHs form when 32.4 L of Ha gas completely reacts at STP according to the following reaction? Remember 1mol of an ideal gas has a volume of 22.4 Lat STP Na (g)3 H2(g)2 NHs(g) х STARTING AMOUNT ADD FACTOR ANSWER RESET mol Ha L NH 2 0.964 22.4 g/mol Hz 32.4 0.482 L H2 6.022 x 1023 16.4 mol NH3 2.02 17.03 g NH g/mol NH 1.45 4.34 g...
8:54 LTE Question 6 of 23 Submit If two separate containers A and B have the...
8:54 LTE Question 6 of 23 Submit If two separate containers A and B have the same volume and temperature, but container A has more gaseous molecules than B, then container A will have: A) Higher pressure B) Lower presure C) A greater universal gas constant D) A smaller universal gas constant Tap here or pull up for additional resources
ail LTE 8:56 Question 7 of 23 Submit Consider two 5 Lchambers. In one, there are...
ail LTE 8:56 Question 7 of 23 Submit Consider two 5 Lchambers. In one, there are 5.00 g O2, and in the other there are 5.00 g He. Which has the higher pressure at room temperature? A) O2 B) He C) They have equal pressures D) Not enough info Tap here or pull up for additional resources
9:08 LTE Question 21 of 23 Submit For a constant temperature, which will have the greatest average speed? A) Ne B) Ar C) Kr D) They'll all have equal speeds Tap here or pull up for additional resources
9:08 LTE Question 22 of 23 Submit Under what conditions are gases most likely to behave ideally? A) High pressures B) Low temperatures C) Polar molecules D) Low pressures E) Large molecules Tap here or pull up for additional resources
9:08 LTE Question 19 of 23 Submit What is the difference between effusion and diffusion? A) Diffusion separates gases, and effusion collects them. B) Diffusion is through a pinhole, and effusion is through open space. C) Effusion separates gases, and diffusion collects them. D) Effusion is through a pinhole, and diffusion is through open space. E) Diffusion is for real gases, and effusion for ideal gases. Tap here or pull up for additional resources
9:08 LTE Question 19 of 23 Submit What is the difference between effusion and diffusion? A) Diffusion separates gases, and effusion collects them. B) Diffusion is through a pinhole, and effusion is through open space. C) Effusion separates gases, and diffusion collects them. D) Effusion is through a pinhole, and diffusion is through open space. E) Diffusion is for real gases, and effusion for ideal gases. Tap here or pull up for additional resources
8:53 LTE Question 5 of 23 Submit If a sealed, rigid container's pressure is doubled, what will happen to temperature? A) The temperature will decrease by a factor of 2 B) The temperature will decrease by a factor of 4 C) The temperature will increase by a factor of 2 D) The temperature will increase by a factor of 4 E) The temperature will remain the same Tap here or pull up for additional resources
8:36 LTE Question 3 of 23 Submit A helium balloon initially at room temperature is dunked into a bucket of liquid nitrogen (T = 77 K). Which of the following will occur? A) Volume increases B) Volume decreases C) The number of moles increases D) The number of moles decreases E) Temperature increases Tap here or pull up for additional resources
9:08 LTE Question 18 of 23 Submit How many milliliters of Co gas would be produced by the complete reaction of 2.40g of Cat STP according to the following reaction? Remember 1 mol of an ideal gas has a volume of 22.4 L at STP C(s) + H2O(g) → CO(g) + H2(g) STARTING AMOUNT ADD FACTOR ANSWER 4.48 8.92 g/mol có mL CO 22.4 4480 molc 1920 mol CO 0.001 2.40 LCO 28.01 1000 gCO 6.022 x 1023 gC 12.01...
9:08 LTE Question 17 of 23 Submit How many moles of NHs form when 32.4 L of Ha gas completely reacts at STP according to the following reaction? Remember 1mol of an ideal gas has a volume of 22.4 Lat STP Na (g)3 H2(g)2 NHs(g) х STARTING AMOUNT ADD FACTOR ANSWER RESET mol Ha L NH 2 0.964 22.4 g/mol Hz 32.4 0.482 L H2 6.022 x 1023 16.4 mol NH3 2.02 17.03 g NH g/mol NH 1.45 4.34 g...
8:54 LTE Question 6 of 23 Submit If two separate containers A and B have the same volume and temperature, but container A has more gaseous molecules than B, then container A will have: A) Higher pressure B) Lower presure C) A greater universal gas constant D) A smaller universal gas constant Tap here or pull up for additional resources
ail LTE 8:56 Question 7 of 23 Submit Consider two 5 Lchambers. In one, there are 5.00 g O2, and in the other there are 5.00 g He. Which has the higher pressure at room temperature? A) O2 B) He C) They have equal pressures D) Not enough info Tap here or pull up for additional resources
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