Physics, 23.07.2019 13:30 bNicholson23
Ascientist is studying a previously unknown chemical reaction. she concludes that it is exothermic. what must the scientist have observed? (2 points) the reaction released heat. the reaction formed a gas. the reaction sped up when a catalyst was added. the reaction caused the container to get cold.
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Ascientist is studying a previously unknown chemical reaction. she concludes that it is exothermic....
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