Hard water contains calcium and magnesium, which undergo oxidation and
clog water pipes. which...
Chemistry, 28.08.2019 14:30 Jimenezmiranda
Hard water contains calcium and magnesium, which undergo oxidation and
clog water pipes. which statement best describes this change as a chemical change?
a. calcium and magnesium dissolve in water.
b. calcium and magnesium evaporate on contact with the walls of the pipe.
c. calcium and magnesium form precipitates of their respective oxides.
Answers: 1
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
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Chemistry, 22.06.2019 06:30
(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.
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