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DerekMoncoal
05.03.2021 •
Biology
10 points
How may the formation of a gas indicate that a chemical reaction has occurred?
Formation of a gas or precipitate indicates that an irreversible reaction has occurred
Formation of a gas indicates that a physical reaction has occurred
Gases are given off every time a chemical reaction occurs
Formation of a gas is a physical property of all chemical reactions
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Ответ:
Gases are given off every time a chemical reaction occurs
Explanation:
Ответ:
Formation of a new gas
Formation of a precipitate
A new smell is given off
Heat is released
Explanation: A chemical reaction exhibits the following characteristics: formation of new substance, heat emission is an exothermic process which is due to chemical reactions
Precipitate formation occurs when insoluble substances are formed in an ionic compound solution.
And smells or odor are caused by the production of new substances.
Ответ:
1. Blood
2. Plasma
3. Ventricles
4. Carbon Dioxide
5. Atria
6. Platelets
7. Red blood cells
8. White blood cells
Explanation:
Hope this helped
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