Nitrogen gas is contained in a piston/cylinder arrangement as shown below. The frictionless (freely moving) piston keeps the nitrogen at a constant pressure of 200 kPa. Initially, the nitrogen is at 20°C and occupies a volume of 0.01 m³ (State 1). Heat is transferred until the nitrogen reaches 250°C (State 2). Assume ideal gas with the constant specific heats given below to find the following: A) The work done in kJ. Clearly indicate whether work is done on or by the system. B) The heat transferred in kJ. Clearly indicate the direction of heat transfer (into or out of the system).
Nitrogen gas is contained in a piston/cylinder arrangement as shown below. The frictionless (freely moving) piston keeps the nitrogen at a constant pressure of 200 kPa. Initially, the nitrogen is at 20°C and occupies a volume of 0.01 m³ (State 1). Heat is transferred until the nitrogen reaches 250°C (State 2). Assume ideal gas with the constant specific heats given below to find the following: A) The work done in kJ. Clearly indicate whether work is done on or by the system. B) The heat transferred in kJ. Clearly indicate the direction of heat transfer (into or out of the system).
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Nitrogen gas is contained in a piston/cylinder arrangement as shown below. The frictionless
(freely moving) piston keeps the nitrogen at a constant pressure of 200 kPa. Initially, the nitrogen
is at 20°C and occupies a volume of 0.01 m³ (State 1). Heat is transferred until the nitrogen
reaches 250°C (State 2). Assume ideal gas with the constant specific heats given below to find
the following:
A) The work done in kJ. Clearly indicate whether work is done on or by the system.
B) The heat transferred in kJ. Clearly indicate the direction of heat transfer (into or out of the
system).
Data for Nitrogen: R = 0.2968 kJ/(kg-K), Cpo = 1.042 kJ/(kg-K), Cvo =0.7452 kJ/(kg-K)
Nitrogen
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