In a chemical reaction, substance

  1. a word written over the arrow in a chemical reaction question indicatesa. that the substance provides energy for the reaction b.
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    2. mohamedi1990 asked by mohamedi1990
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  2. Both the physical and chemical properites of a substance can change when a substance undergoes a chemical reaction. When a log
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  3. Which option correctly describes a reactant?Responses a substance that is burned and destroyed during a chemical reaction a
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  4. A word written over the arrow in a chemical reaction equation indicates(1 point) Responses That the substance provides energy
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  5. A word written over the arrow in a chemical reaction equation indicates(1 point)Responses That the substance provides heat for
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  6. A word written over the arrow in a chemical reaction equation indicates(1 point)Responses That the substance is a reactant of
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  7. Which of the following best describes a mixture?a) A pure substance with a fixed composition. b) A combination of two or more
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  8. In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B2A ---> 3B How many molecules
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  9. Substance X is converted to substance Y in a chemical reaction. What role would a catalyst play in this scenario?A. It would
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  10. Substance X is converted to substance Y in a chemical reaction. What role would a catalyst play in this scenario?A. It would
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