The typical Idaho year has a minimum temperature of 0degreeC and a max of 40degr
ID: 1513533 • Letter: T
Question
The typical Idaho year has a minimum temperature of 0degreeC and a max of 40degreeC. How much does the volume of your 50 liter steel gas tank change over the year(beta = 5times10^minus6/C)? 0.07 liters 0.01 liters 1 liter 1.07 liters 1.1 liters The volume of one mole at T = 293 K (0degreeC) and P = 1.00 atm = 101300 N/m^2 = 101.3 kPa(STP). 21.6 L 22.3 L 22.4 L 23.8 L 24.1 L Estimate the mass of air in a room whose dimensions arc 5 m times 3 m times 3 m high, at STP. 28 kg 48 kg 51kg 58 kg None of the Above The mass of air in a room whose dimensions arc 5 m times 3 m times 2.5 m high, at STP was 48 kg. What is the mass of Helium filling the same room under the same conditions? (Molar Mass Air= 28.97 g. Molar Mass He=4.002 g) 4.0 g 4.1 kg 48kg 20 kg 6.6 kg What is the average translational kinetic energy of a mole of molecules in an ideal gas at 40C? 3900 J 6.4 times 10^minus21 J 6400 J 3.9timesl0^minus21 J None of the AboveExplanation / Answer
a. dV = 5*10^-6*40 = 2*10^-4 l
b. 22.4 L ( ITS A RULE)
c. V = 45 m^3
28.97 g of air = 22.4 L
Mass of air in room = 58.198 kg
d. V = 37.5 m^2 = 37500 L
Mass of helium = 4.002/22.4 * 37500 = 6.699767 kg
e. KE avg = 3/2 kT = 3/2*1.38*10^-23*(40 + 273.16) = 0.6482412*10^-20 J
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