A. All gases are colorless and odorless at room temperature B. Distances between

Question

A. All gases are colorless and odorless at room temperature B. Distances between molecules of gas are very large compared to bond distances within n, C. Gases expand spontaneously to fill the container they are placed in D. Non-reacting gas mixtures are homogeneous. E. Gases are highly compressible 9. Which of the following statements about gases is false? 10. A pressure of 1.50 atm is the same as a pressure ofof mm Hg. D. 29.9 E. 193 A. 1140 B. 33.0 C. 101 11. A sample of gas initially at 4.00 atm was compressed from 8.00 L to 2.00 L at constant ten the compression, the gas pressure was atm. D. 2.00 E. 16.0 A. 1.00 B. 4.00 C. 8.00 12. Of the followin A.constant B. V constant P c =constant 8is a valid statement of Charles' law D. PV constant E. V # constant-n 13. Standard temperature and pressure (STP), in the context of gases, refers to A. 298.15 K and 1 torr B. 273.15 K and 1 pascal C. 298.15 K and 1 atm D. E. 273.15 K and 1 torr 273.15 K and 1 atm 14. An ideal gas differs from a real gas in that the molecules of an ideal gas A have an average molecular mass B. have appreciable molecular volumes C. have no attraction for one another D. E. have no kinetic energy have a molecular weight 15.What volume (in liters) of HCI gas required to react with excess Ca to produce 11.4 L of hyd atm and 62.0*C? 2 HCl(g) + Ca(s) ? CaCl2(s) + H2 (g) A. 5.70L B. 8.55 L C. 11.4L E. 22.8L 16. What is the volume occupied by 15.8 g of sulfur trioxide gas (SOs) at STP? D. 6.63 L E 8.84L A. 2.21 L B. 3.31 L C. 4.42 L 17. What is the partial pressure (in mm Hg) of neon in a 4.00 L vessel that contains 0.838 mol mol of ethane, and 0.755 mol of neon at a total pressure of 928 mm Hg? A. 394 mm Hg B. 700. mm Hg C. 96.0 mm Hg D. 437 mm Hg E. 760. mm Hg 18. A valid Lewis structure of cannot be drawn without violating the octet rule OF D. XeF2 E. NF3

Explanation / Answer

I am solving the first four problem as per Chegg guidelines, post multiple question to get the remaining answers

Q9)

Correct answer is Option A

All the gases are colorless and odorless, this is wrong statement snice many gases like I2 (purple fumes) and some gases like H2S (gives a veru bad odor)

Q10)

1 atm = 760 mm Hg

1.5 atm = 1.5 atm * 760 mm Hg/1 atm = 1140 mm Hg

Correct answer is Option A

Q11)

Using ideal gas equation

PV = nRT

At constant temperature

P1V1 = P2V2

4 * 8 = P2 * 2

P2 = 16 atm

Correct answer is Option E

12)

Correct answer is Option A

V/T is a constant

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