Chemistry

Chemistry, 25.06.2019 15:30, funguy9198

50 points! hydrogen gas and oxygen gas are combined to form water (h2 + o2 → h2o). is this a chemical change or a physical change? explain your answer.

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Chemistry, 30.07.2019 20:30, sevaramirabell

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50 points! hydrogen gas and oxygen gas are combined to form water (h2 + o2 → h2o). is this a chemic...

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