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The meaning of W (+) in thermodynamic rules is the work done on_____the system
on
There are 2 factors that cause changes in internal energy, namely heat and _____
work
The principle of conservation of energy is known as the _____ law of thermodynamics
1st
∆U?(+)= internal energy______
increases
A system is given 400 cal of heat and 1000 J of work is done by the system, then the change in internal energy of the system will be_____
680 J
In a thermodynamic process pressure of a fixed mass of a gas is changed in such a manner that the gas releases 20 J of heat and 8 J of work is done on the gas if the initial internal energy of the gas was 30 J. The final internal energy is?
18 J
