Chemistry, 08.07.2019 09:30 avagymnast421
In the chemical reaction below, calcium (ca) and water (h2o) react to form calcium hydroxide (ca(oh)2) and hydrogen gas (h2). ca (s) + 2h2o (l) → ca(oh)2 (aq) + h2 (g) calcium and water are the reactants in this chemical reaction, whereas calcium hydroxide and hydrogen gas are the products that are formed. once the reaction reaches completion, finish the a. the products of the reaction will have changed back into the reactants. b. the total mass of the products will be greater than the original mass of the reactants. c. the total mass of the products will be equal to the original mass of the reactants. d. the total mass of the products will be less than the original mass of the reactants.
Answers: 1
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Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
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Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2
Answers: 2
In the chemical reaction below, calcium (ca) and water (h2o) react to form calcium hydroxide (ca(oh)...
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