First low of thermodynamics
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Energy can neither be created nor be destroyed in a chemical or physical change.
Energy can neither be create nor be destroyed in chemical reaction but transfer from one to another form
dQ=du+w
∆Q=∆u+w
∆Q=∆u+w
Energy can neither be created nor be destroyed in chemical reaction
∆Q=∆U+W
∆Q=∆U+W
The energy of isolated system is çonstant i.e. ∆u=q+w