Chemistry, 15.12.2021 20:50 leahstubbs
Which type of reactions are more dangerous to be around, nuclear processes or average chemical reactions? Explain in terms of the energy changes that occur in each type of process
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A__ is two or more substances that are together in the same place but are not chemically combined
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A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?
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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.
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Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?
Answers: 3
Which type of reactions are more dangerous to be around, nuclear processes or average chemical react...
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