calculate energy in thermodynamics
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Since the system has constant volume (ΔV=0) the term -PΔV=0 and work is equal to zero. Thus, in the equation ΔU=q+w w=0 and ΔU=q. The internal energy is equal to the heat of the system
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The First Law of Thermodynamics states that energy can be converted from one form to another with the interaction of heat, work and internal energy, but it cannot be created nor destroyed, under any circumstances. Mathematically, this is represented as
ΔU=q+w(1)
with
ΔU is the total change in internal energy of a system,
q is the heat exchanged between a system and its surroundings, and
w is the work done by or on the system.
Explanation:
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