According to the law of conservation of mass, three atoms of calcium can react to produce six atoms of calcium.

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Answer 1

Answer:

According to the law of conservation of mass, the masses of the products and reactants must be the same. Adding calcium to the product side is considered a mistake if it is not in the reactant side of a particular chemical equation because it is impossible to produce calcium from thin air (unless this is a nuclear reaction).

Explanation:

Answer 2
The law states that the total mass before a chemical reaction is the same as the total mass after a chemical reactionExothermic reactions do not require any activation energy.

Related Questions

Which of the following describes a nuclear stress test?
a. the heart's electrical signals are traced with each heartbeat.
b. blood is drawn from an artery instead of a vein.
c. sound waves are used to see the heart.
d. a radioactive substance is injected into the bloodstream.

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The answer you are looking for is (D)
The correct answer is d
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