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Physics, 22.12.2019 07:31 Edithh

Determine whether each of the following is exothermic or endothermic and indicate the sign of? h.
a. natural gas burning on a stove
b. isopropyl alcohol evaporating from skin
c. water condensing from steam

indicate the sign of δh.

which one is positive and which one is negative?

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Determine whether each of the following is exothermic or endothermic and indicate the sign of? h.
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