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One statement of the first law of thermodynamics is that in any chemical process the heat flow must equal the change in enthalpy. the heat flow in or out of a system is independent of pathway. the total work done on a system must equal the heat absorbed by the system. the total energy flow in or out of a system is equal to the sum of the heat transferred to or from the system and the work done by or on the system. the amount of work done on a system is dependent of pathway.

One statement of the first law of thermodynamics is that in any chemical process the heat flow must equal the change in enthalpy. the heat flow in or out of a system is independent of pathway. the total work done on a system must equal the heat absorbed by the system. the total energy flow in or out of a system is equal to the sum of the heat transferred to or from the system and the work done by or on the system. the amount of work done on a system is dependent of pathway.

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One statement of the first law of thermodynamics is that
in any chemical process the heat flow must equal the change in enthalpy.
the heat flow in or out of a system is independent of pathway.
the total work done on a system must equal the heat absorbed by the system.
the total energy flow in or out of a system is equal to the sum of the heat transferred to or from the system and the work done by or on the system.
the amount of work done on a system is dependent of pathway.

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