(a) Under what condition will the enthalpy change of aprocess equal the amount of heat transferred into or out ofthe system? (b) During a constant-pressure process, the systemreleases heat to the surroundings. Does the enthalpy ofthe system increase or decrease during the process? (c) In aconstant-pressure process, ΔH = 0. What can you concludeabout ΔE, q, and w?

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