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Grade: 11

                        

how much heat in joules ,must be added to 0.250 mol of Ar(g) to raise its temperature from 20 degree celsius to 36 degree celsius at constant pressure ? (A) 50.0. (B) 83.2 (C) 187. (D) 200

2 years ago

Answers : (1)

Hussain
13 Points
							
It's b
use [ q=nCp∆T ]..
In this Cp is 20.8 I think..and put the values of n,T1 and T2 as given in the question..
2 years ago
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