Question: Under what condition will the enthalpy change of a process equal the amount of heat transferred into or out of the system when a process

Under what condition will the enthalpy change of a process equal the amount of heat transferred into or out of the system
when a process occurs under constant external pressure
when a process occurs under constant volume
when there is no work done on the system
when a process occurs under constant temperature
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Under what condition will the enthalpy change of a process equal

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