February 24, 2017

Homework Help: Chemistry

Posted by Adeline on Monday, February 11, 2008 at 2:26am.

Two substances in a glass beaker react chemically and the glass beaker becomes too hot to touch.
A. Is this an exothermic or endothermic reaction.

It would be exothermic, right? Because energy is released?

B. If the two substances are defined as the system, what constitutes the surroundings?

What? System? Surrounding? I'm confused..

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