Explain having a really hard time with differentiating

Reference no: EM13286663

Having a really hard time with differentiating between endothermic and exothermic processes. A clearer explanation would be great. I don't understand what the difference is between a gas to a liquid or a liquid to a gas. I understand exothermic it gives off heat and endothermic it gains heat but my answers are always wrong. I must not be doing something right.

Reference no: EM13286663

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