[For a cyclic process, q =...] Based on the first law of thermodynamics, which one of the following is correct?

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Based on the first law of thermodynamics, which one of the following is correct?

For an isothermal process, q = +w

For an isochoric process, ΔU = –q

For an adiabatic process, ΔU = –w

For a cyclic process, q = –w

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