When two substances are mixed together, a color change is observed. Does this mean that a chemical reaction has definitely occurred?
Yes because any change indicates a chemical reaction.
No because some physical changes produce color changes.
No because color changes are not indicators of chemical reactions.
Yes because color changes occur only when new compounds are formed.
Answers: 2
Chemistry, 22.06.2019 11:50, trinityrae4657
Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?
Answers: 3
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