During a chemical reaction, heat is absorbed. What kind of reaction occurred?
A)
An endotherm...
Chemistry, 04.12.2020 20:30 kookycookiefanx
During a chemical reaction, heat is absorbed. What kind of reaction occurred?
A)
An endothermic reaction
B)
An exothermic reaction
Answers: 1
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1
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Which of the following is a physical property flammability heat of combustion solubility and toxicity
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