Answer to Question #197977 in General Chemistry for Riane

Question #197977

A balloon filled with 39.1 moles of helium has a volume of 876 L at 0.0°C and 1.00 atm pressure. The temperature of the balloon is increased to 38.0°C as it expands to a volume of 998 L, the pressure remaining constant. Calculate the ∆E. (Molar heat capacity of He is 20.8 J/mol °C). 


a. 111 kJ


b. 18.5 kJ


c. - 4.64 kJ


d. 43.3 kJ


1
Expert's answer
2021-05-28T00:57:56-0400

b) 18.5 kJ


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