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Chemistry, 04.11.2019 10:31 lynnaespencer

Achemical formula written above or below the yield sign indicates:
a. that a gas is formed.
b. that the substance is used as a catalyst.
c. that heat must be supplied.
d. a reversible reaction.

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Achemical formula written above or below the yield sign indicates:
a. that a gas is formed.
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