AnnissaK632221 AnnissaK632221

27-10-2022
Chemistry

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A gas is confined to a cylinder under constant atmospheric pressure.When 600J of heat IS added to the gas . It expands and does 140J of Work on the surroundings . What are the values of ∆H and ∆E.

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ZisselX787012 ZisselX787012

27-10-2022

As heat is being added, the value of q (that is equal to ∆H) is positive:

[tex]\Delta H=600\text{ J}[/tex]

To find ∆E we need to calculate the difference between ∆H and w (work):

[tex]\Delta E=600J-140J=460J[/tex]

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