8:54 LTE Question 6 of 23 Submit If two separate containers A and B have the...
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
Question 4 of 10 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:
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
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 20 of 23 Submit As the temperature decreases, what can be said about a sample of gas particles? A) The kinetic energy of the gas particles will increase B) The average speed of the gas particles will decrease. C) The mass of the gas particles will decrease as kinetic energy decreases. 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
6:23 LTE Question 1 of 37 Submit An aqueous solution of Mg (NOs)2 and NaOH generates the solid precipitate Mg(OH)2. Which of the following would NOT appear in the corresponding net ionic reaction? A) Mg2 B) NO3 C) OH D) Mg(OH)2 E) Both (A) and (C) Tap here or pull up for additional resources 6:23 LTE Question 3 of 37 Submit Balance the following chemical reaction: Al2(SOa)3 (aq)K,PO. (aq) AIPO. (s) + K2SO& (aq) A) Al2(SOa)3 (aq) 2 K3PO4 (aq)...
Question 13 of 23 Submit At 125 °C, 1 mol O2 and 2 mol H2 in a chamber have a total pressure of 3 atm. A current is run through the chamber, combining all the molecules into H2O at constant volume. The pressure of the chamber is now: atm (1 2 3 x 100 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...