D A closed system contains air (assumed to be ideal gas) at a pressure P-300 kPa and temperature, T-400 °C. The specific gas constant of the air is R=0.287 kJ/kg-K. f the total volume of the system is 5 m³, the mass of air in the system in kg is

D A closed system contains air (assumed to be ideal gas) at a pressure P-300 kPa and temperature, T-400 °C. The specific gas constant of the air is R=0.287 kJ/kg-K. f the total volume of the system is 5 m³, the mass of air in the system in kg is

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 17RQ: At a constant pressure, how does a volume of gas vary with respect to the absolute temperature?

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Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.

Question

Need correctly typed solution..

A closed system contains air (assumed to be ideal gas) at a pressure P-300 kPa and temperature T=400
°C. The specific gas constant of the air is R-0.287 kJ/kg-K. If the total volume of the system is 5 m³,
the mass of air in the system in kg is

Expert Solution

Step 1

Given data

Pressure = 300 kpa

Temperature = 400°C

Constant = 0.287 kj/kgk

Volume = 5 m^3

Find the mass of air in kg

Use ideal gas equation. PV = mRT

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