JOU-L TIAk contains helium gas at 1.50 atm. What is the pressure of the gas in t
ID: 557766 • Letter: J
Question
JOU-L TIAk contains helium gas at 1.50 atm. What is the pressure of the gas in torr? A) 1.50 torr B) 507 torr C) 760 torr D) 1140 torr E) 7.5 torr Answer:- 2) At constant temperature, a sample of helium at 760. torr in a closed container was com 5.00 L to 3.00 L, with no change in moles or temperature. What was the new pressure exerted b helium on its container? A) 800. torr B) 2280 torr C)15.0 torr D) 3800 torr E) 1270 torr Answer: resse 3) The volume of a gas with an initial pressure of 380 mmHg atm increases from 5.0L to 8.0 final pressure of the gas,in atm, assuming no change in moles or temperature? A) 238 atm B) 2.4 atm C) 0.31 atm D) 0.80 atm E) 8.0 atm Answer 4) The temperature of a 500. mL sample of gas increases from 150. K to 350. K. What is th the sample of gas, if the pressure and moles in the container is kept constant? A) 210. ml B) 1170 mL C) 0.0095 mL D) 0.0470 mL E) 110. mL Answer: 5) A gas at 5.00 atm pressure was temperature in the storage area reached 40.0 °C. What was the pressure in the gas tanl A) 0.625 atm B) 4.44 atnm C) 5.63 atmm D) 40.0 atm E) 69.5 atm Answer:Explanation / Answer
1)
P = 1.50 atm
= 1.50*760 torr
= 1140 torr
Answer: D
2)
we have:
P1 = 760 torr
V1 = 5.00 L
V2 = 3.00 L
we have below equation to be used:
P1*V1 = P2*V2
760 torr * 5.0 L = P2 * 3.0 L
P2 = 1270 torr
Answer: E
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