Destroyer question

[flossit]

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Help:
An unknown compound dissolves spontaneously in H2O. If the temperature of the water decreases, DeltaH greater then 0. Why is that? Please explain.
I don't know if i can post this, moderators please delete if i can't.

 

[DAT Destroyer]

Help:
An unknown compound dissolves spontaneously in H2O. If the temperature of the water decreases, DeltaH greater then 0. Why is that? Please explain.
I don't know if i can post this, moderators please delete if i can't.

This is an endothermic reaction. If the temperature of the surroundings decreases, then Delta H must be Positive, a.k.a greater than 0.

In this case, temperature of the water decreases, therefore the reaction absorbed heat.... Endothermic.

Hope this helps.