A balloon is floating around outside your window. The temperature outside is 9°C

Q: A balloon is floating around outside your window. The temperature outside is 9°C

a) V outside PV = nRT V = nRT/P V = (4.9)(0.082)(9+273)/(0.8) = 141.63 L b) V = 20L, n = 8.6 mol, T = 33°C = 310 K P = nRT/V = (8.6*0.082*310)/(20) = 10.930 atm c) PV = nRT n = PV/(RT) = (0.925*100)/((1005+273)(0.082)) n = 0.8826 moles of air D) PV = nRT T = PV/(nR) T = (20*4.3)/(0.082*7.2) = 145.663 K = 145.663-273 = -127.337°C

ID: 1055709 • Letter: A

Question

A balloon is floating around outside your window. The temperature outside is 9°C and the air pressure is 0.800atm. Your neighbor, who released the balloon, tell you that he filled it with 4.90moles of gas. A. What is the volume of gas inside this balloon? Express your answer numerically in liters. B. A 20.0L gas cylinder is filled with 8.60 moles of gas. The tank is stored at 33°C. What is the pressure in the tank. Express your answer in atmospheres. C. A 100 L kiln is used for vitrifying ceramics. It is currently operating at 1005°C and the pressure is 0.9250atm. How many miles of air molecules are within the confines of the kiln. D. A 20.0 L gas cylinder has been filled with 7.20 moles of gas. You measure the pressure to be 4.30atm. What is the temperature inside the tank in degrees Celsius? A balloon is floating around outside your window. The temperature outside is 9°C and the air pressure is 0.800atm. Your neighbor, who released the balloon, tell you that he filled it with 4.90moles of gas. A. What is the volume of gas inside this balloon? Express your answer numerically in liters. B. A 20.0L gas cylinder is filled with 8.60 moles of gas. The tank is stored at 33°C. What is the pressure in the tank. Express your answer in atmospheres. C. A 100 L kiln is used for vitrifying ceramics. It is currently operating at 1005°C and the pressure is 0.9250atm. How many miles of air molecules are within the confines of the kiln. D. A 20.0 L gas cylinder has been filled with 7.20 moles of gas. You measure the pressure to be 4.30atm. What is the temperature inside the tank in degrees Celsius? A. What is the volume of gas inside this balloon? Express your answer numerically in liters. B. A 20.0L gas cylinder is filled with 8.60 moles of gas. The tank is stored at 33°C. What is the pressure in the tank. Express your answer in atmospheres. C. A 100 L kiln is used for vitrifying ceramics. It is currently operating at 1005°C and the pressure is 0.9250atm. How many miles of air molecules are within the confines of the kiln. D. A 20.0 L gas cylinder has been filled with 7.20 moles of gas. You measure the pressure to be 4.30atm. What is the temperature inside the tank in degrees Celsius?

Explanation / Answer

V outside

PV = nRT

V = nRT/P

V = (4.9)(0.082)(9+273)/(0.8) = 141.63 L

V = 20L, n = 8.6 mol, T = 33°C = 310 K

P = nRT/V = (8.6*0.082*310)/(20) = 10.930 atm

PV = nRT

n = PV/(RT) = (0.925*100)/((1005+273)(0.082))

n = 0.8826 moles of air

PV = nRT

T = PV/(nR)

T = (20*4.3)/(0.082*7.2) = 145.663 K = 145.663-273 = -127.337°C

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A balloon is floating around outside your window. The temperature outside is 9°C

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