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Thermodynamics

Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?

Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?

A. pressure
B. temperature
C. volume
D. internal energy
E. entropy

Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________? Read More »

Thermodynamics

Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?

Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?

A. pressure
B. temperature
C. volume
D. internal energy
E. entropy

Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________? Read More »

Thermodynamics

Energy can neither be created nor destroyed but can be converted from one form to other is inferred from_________________?

Energy can neither be created nor destroyed but can be converted from one form to other is inferred from_________________?

A. zeroth low of thermodynamic
B. first law of thermodynamics
C. second law to thermodynamics
D. basic law of thermodynamics
E. claussius statement

Energy can neither be created nor destroyed but can be converted from one form to other is inferred from_________________? Read More »

Thermodynamics

A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?

A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?

A. 300 Nm
B. 300,000 Nm
C. 30 Nm
D. 3000 Nm
E. 30,000 Nm

A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________? Read More »

Thermodynamics