In a particular reaction the system absorbs 12kJ of heat and does 3kJ of work on its surroundings. What are changes in internal energy and enthalpy of system?

In a particular reaction 2kJ of heat is released from the system and 8kJ of work is done on the system. What are changes in internal energy and enthalpy of system?

A system releases 125 kj of heat while 104 kj of work done on the system. Calculate the change in internal energy.

A System absorbs 520J of heat and perform work of 210J calculate the change in internal energy.

In a process, a system does 238 J of work on its surrounding by absorbing 54 J heat. What is the change in internal energy of system during the operation?

A system is provided 50 joule of heat and work done on the system is10 J. The change in internal energy during the process is

A gas contained in a cyclinder fitted with a frictionless piston expands against a constant external pressure of 1 atm from a volume of 5 litres to a volume of 10 litres. In doing so it absorbs 400 J of thermal energy from its surrounding .Determine the change in internal energy of system.

A system absorbs 920 J of heat and does work. The change in internal energy (DeltaU) for the process is 460 J. The work done by the system is ________ .

How do you find work done, heat transferred and the change in internal energy for an isobaric process?