Which equation represents a physical change?
(1) h2o(s) + 6.01 kj ==> h2o(l)
(2) 2h2...
Chemistry, 06.10.2019 21:30 rosemary909
Which equation represents a physical change?
(1) h2o(s) + 6.01 kj ==> h2o(l)
(2) 2h2(g) + o2(g) ==> 2h2o(g) + 483.6 kj
(3) h2(g) + i2(g) + 53.0 kj ==> 2hi(g)
(4) n2(g) + 2o2(g) + 66.4 kj ==> 2no2(g)
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