(03) A gas, whose composition is not known, has 40 BTU of paddle-work input at a constant volume of 20 ft3 from 20 psia and 80°F to 180°F. What are change of internal energy and heat if k = 1.21? (65.3, 25.3BTU)

(03) A gas, whose composition is not known, has 40 BTU of paddle-work input at a constant volume of 20 ft3 from 20 psia and 80°F to 180°F. What are change of internal energy and heat if k = 1.21? (65.3, 25.3BTU)

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter2: Steady Heat Conduction

Section: Chapter Questions

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Concept explainers

Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.

Question

Need cancellation of units. Thermodynamics

(03) A gas, whose composition is not known, has 40 BTU of
paddle-work input at a constant volume of 20 ft³ from 20
psia and 80°F to 180°F. What are change of internal energy
and heat if k = 1.21? (65.3, 25.3BTU)

Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.

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