Carbon monoxide is a poisonous gas that is formed as a by-product of incomplete

Question

Carbon monoxide is a poisonous gas that is formed as a by-product of incomplete combustion. What pressure does 1.52 moles of this gas exert upon its surroundings if it is contained in a 42.5 L vessel at 65 degree C? 0.191 atm 0.430 atm 0.992 atm 2.33 atm 1.79 times 10^3 atm A helium weather balloon, when released, has a volume of 10.0 L at 27.0 degree C and a pressure of 663 mm Hg. What volume, in liters, will the balloon occupy at an altitude where the pressure is 96 mm Hg and the temperature is -30.0 degree C? -76.7 L 1.17 L 1.79 L 55.9 L 85.3 L

Explanation / Answer

Ideal gas equation PV = nRT

37)

V = 42.5 L, n = 1.52 moles , T = 65 + 273.15 K = 338.15 K , R = 0.082 L atm/mol.K

P = 1.52 mol x 0.082 L atm/mol.K x 338.15 K / 42.5 L

P = 0.992 atm ( option c)

38) Combined gas law P1V1/T1 = P2V2/T2

P1 = 663 mmHg, T1 = 27 +273.15 = 300.15 K, V1 = 10.0 L

P2 = 96 mmHg, T2 = -30 + 273.15 = 243.15 K, V2 =?

V2 =( P1V1 x T2) / (T1 x P2)

V2 =( 663 mmHg x 10 L x 243.15 K) / (300.15 K x 96 mmHg)

V2 = 55.9 L (option d)

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---