Question
According to the latest sign convention the correct expression representing the first law of thermodynamics is(1) $\Delta U=q+w$(2) $\Delta U=\Delta l t+P v$(3) $\Delta U=q-w$(4) All are correct
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On what law is the first law of thermodynamics based? Explain the sign conventions in the equation $\Delta U=q+w.$
The first law of thermodynamics is defined as dU = Q - W, where dU represents the change in internal energy, Q represents the heat added to the system, and W represents the work done by the system.
A. Q = ΔE + W B. ΔH = ΔE + PΔV C. W = Q × ΔE D. ΔE = ΔH + VΔP
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