Chemistry, 09.07.2019 19:30 kenleighbrooke67
In the physical science lab, kim and dawn added small pieces of magnesium to hydrochloric acid. they observed that bubbles formed, the test tube got hot, and the magnesium disappeared. what is a sign that a chemical reaction has taken place in this experiment? a. odor b. gas is produced c. magnesium appeared d. temperature decreased
Answers: 1
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Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
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Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?
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In the physical science lab, kim and dawn added small pieces of magnesium to hydrochloric acid. they...
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