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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Think Think
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9 years ago
Which of the following is NOT typically a sign of a chemical reaction?
A) absorbing heat when chemicals are contacted with each other
B) emission of heat when chemicals are contacted with each other
C) emission of light when chemicals are contacted with each other
D) absorbing light when chemicals are contacted with each other
E) All of the above are signs of a chemical reaction.

Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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mel!811mel!811
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