What is the solution to these questions? A sealed cubical container 30.0cm on a

Question

What is the solution to these questions? A sealed cubical container 30.0cm on a side contains three times Avogadro's number of molecules ata temperature of 17.0°C. Find theforce exerted by the gas on one of the walls of the container.
1 N Gas is contained in an 8.2 Lvessel at a temperature of 20°C and a pressure of 8.7 atm. (a) Determine the number of moles of gas in thevessel.
1 mol What is the solution to these questions? A sealed cubical container 30.0cm on a side contains three times Avogadro's number of molecules ata temperature of 17.0°C. Find theforce exerted by the gas on one of the walls of the container.
1 N Gas is contained in an 8.2 Lvessel at a temperature of 20°C and a pressure of 8.7 atm. (a) Determine the number of moles of gas in thevessel.
1 mol (a) Determine the number of moles of gas in thevessel.
1 mol

Explanation / Answer

First problem:   use ideal gas law to find thepressure .     p V = n RT       so    p = n RT/ V = 3 * 8.314 * (273+17) / 0.302 = 267896 Pascal . Then    force on one side = pressure *area = 267896 * 0.302=    24111Newtons . Second problem: . use ideal gas law again, solve for n .     n = p V / R T =   8.7 * 8.2/ 0.0822 * (273+20) =    2.962 moles

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