In a certain process, 400 cal of heat are supplied to a system and the same time 105 J of mechanical work done on the system . The increase in its internal energy is

In a certain chemical process, a lab technician supplies 254 J of heat to a system. At the same time, 73 J of work are done on the system by its surroundings. What is the increase in the internal energy of the system?

In a certain chemical process, a lab technician supplies 254 J of heat to a system. At the same time, 73 J of work are done on the system by its surroundings. What is the increase in the internal energy of the system?

Heat equivalent to 30J is supplied to a thermodynamic system and 10 J of work is done on the system. What is change in its internal energy?

In a certain process. 678 J of heat is absorbed by a system, while 294 J of work is done on the system. What is the change in the internal energy for the process?

A system is provided 50 J of heat and work done on the system is 10 J. The change in internal energy during the process is

160 J of work is done on the system and at the same time 100 J of heat is given out. What is the change in the internal energy ?

180 J of work is done on the system and at the same time 120 J of heat is given out. What is the change in the internal energy?

180 J of work is done on the system and at the same time 120 J of heat is given out. What is the change in the internal energy?

160 J of work is done on the system and at the same time 100 J of heat is given out. What is the change in the internal energy ?

For a gaseous system, if heat rejected by the system is 100 J and work done by the system is 20 J , then change in internal energy is