A chemical reaction has NOT occurred if the products have

The word equation solid carbon + oxygen gas ® carbon dioxide gas + energy, represents a chemical reaction because

In what kind of reaction do two or more substances combine to form a new compound?

In what kind of reaction do two or more substances combine to form two or more simpler substances?

In what kind of reaction does one element replace a similar element in a compound?

According to the law of conservation of mass, the total mass of the reacting substances is

Which word equation represents the reaction that produces water from hydrogen and oxygen?

Chemical reactions ____.

Chemical equations ____.

Which of the following statements is NOT true about what happens in all chemical reactions?

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