Chemistry, 21.07.2019 17:00 sosick90501

Which reaction results in only a physical change? a. 2h2o(l) + electricity ® 2h2(g) + o2(g) b. 2h2o2(l) ® 2h2o(l) + o2(g) c. 2h2(g) + o2(g) ® 2h2o(l) d. h2o(l) + heat ® h2o(g)

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Which reaction results in only a physical change? a. 2h2o(l) + electricity ® 2h2(g) + o2(g) b. 2h...