Chemistry, 27.07.2020 23:01 salgado100400
If 3.0 moles of X and 5.0 moles of Y react according to the hypothetical reaction below, how many moles of the excess reactant will be left over at the end of the reaction? X + 2Y XY2
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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If 3.0 moles of X and 5.0 moles of Y react according to the hypothetical reaction below, how many mo...
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