An unknown number of moles of an ideal monoatomicgas expand reversibly from V i
ID: 1758053 • Letter: A
Question
An unknown number of moles of an ideal monoatomicgas expand reversibly from Vi = 1.10 m3 toVf = 1.80 m3, at a constant pressure of 1.59atm and an initial temperature of 300.0 K.Find the number of moles of gas. Find the final temperature of the gas. Find the final temperature of the gas. An unknown number of moles of an ideal monoatomicgas expand reversibly from Vi = 1.10 m3 toVf = 1.80 m3, at a constant pressure of 1.59atm and an initial temperature of 300.0 K.
Find the number of moles of gas. Find the final temperature of the gas. Find the final temperature of the gas.
Explanation / Answer
Given : Vi= 1.10 m3 , Vf = 1.80m3 P = 1.59 atm T = 300.0 K (a) From Ideal gas equation we have : P V = n R T or P V = n RT or n = (P *V) / ( RT ) = [ 1.59 atm * (1.80 - 1.10 ) ] / (1.097 x 107 * 300.0K ) = ---------- Solve it (b) From Ideal gas equation we have : P V = R T As pressure , R are constants , Volume isdirectly proportional to Temperature. i.e., V T or V / T = Constant. or V1/ T1 = V2 / T2 or T2 = (V2 * T1) / V1 = ( 1.80 * 300 K ) / 1.10 = 490.9 K Hope this helps u! From Ideal gas equation we have : P V = R T As pressure , R are constants , Volume isdirectly proportional to Temperature. i.e., V T or V / T = Constant. or V1/ T1 = V2 / T2 or T2 = (V2 * T1) / V1 = ( 1.80 * 300 K ) / 1.10 = 490.9 K Hope this helps u!Related Questions
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