A hot air balloon has a volume of 500.0 L. At what temperature is the gas if there are 25 moles present at standard pressure?
1 Answer
Apr 21, 2016
24 K
Explanation:
V = 500 ml , n = 25 moles , R = 0.0821 L atm /K mol, T = ? , P = 0.98 atm
PV = nRT , rearranging it , we will get T = PV/nR
substituting the values,
T = 0.98 atm x 0.5 L / 25 mol x 0.0821 L atm /K mol
T = 0.49 K / 2.05
T = 24 K
