When water and carbon dioxide are the only products formed during an exothermic chemical reaction, its because the reaction is a/an? A. Combustion Reaction B. Single Displacement Reaction C. Double Displacement Reaction 4. Addition Reaction

What is the rate of a chemical reaction? The speed at which a reaction proceeds. The energy required for a reaction to occur. The amount of product formed in a reaction. O The amount of reactant consumed in a reaction.

2. If a reaction is exothermic, what will happen if the reaction is also heated? the reaction will shift left the reaction will shift right the reaction will get cooler the reaction will stop

How do you label an energy diagram of a chemical reaction?   What is a catalyst and how does it increase chemical reaction rates?

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The reaction diagram shown below represents an exothermic reaction. Reactants Energy released Products Direction of reaction O True False Stored chemical energy

If a chemical reaction is going to move forward, what part of the reaction must collide? A. reactants and products  B. reactants with activated complex C. products only D. reactants only

Why does the rate of most reactions decrease over time? A. A decrease in reactant concentration reduces the frequency of successful collisions.  B. A decrease in temperature reduces the average kinetic energy of the particles.  C. An increase in product concentration interferes with the effectiveness of the catalyst.  D. An increase in pressure of the system reduces the movement and energy of particles.

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What may happen to the reaction rate when you add catalyst on it? Choose from the choices below:       It increased       It decreased, then increased       It decreased       It did not change