what will happen to the internal energy if work is done by the system?
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The first law is simply a conservation of energy equation: The internal energy has the symbol U. Q is positive if heat is added to the system, and negative if heat is removed; W is positive if work is done by the system, and negative if work is done on the system
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the 1st law os simply a conservation pf energy equation: The internal energy has the sympbol u.
Q is positive if heat is added 2 system n negative when it is removed from there i.e. system n W is positive if work is done by the system n negative when it is removed
Q is positive if heat is added 2 system n negative when it is removed from there i.e. system n W is positive if work is done by the system n negative when it is removed
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