How does increasing the temperature affect a reaction?A.An increase in temperature increases the reaction rate.B.An increase in temperature slows down the reaction.C.An increase in temperature changes equilibrium concentrations.D.An increase in temperature lowers the reaction's activation energy.SUBMITarrow_backPREVIOUS
Question
How does increasing the temperature affect a reaction?A.An increase in temperature increases the reaction rate.B.An increase in temperature slows down the reaction.C.An increase in temperature changes equilibrium concentrations.D.An increase in temperature lowers the reaction's activation energy.SUBMITarrow_backPREVIOUS
Solution
A. An increase in temperature increases the reaction rate. This is because increasing the temperature increases the kinetic energy of the particles involved in the reaction. This means that the particles move faster and are more likely to collide with each other, which can lead to more successful reactions.
B. An increase in temperature does not slow down the reaction. On the contrary, it speeds up the reaction as explained above.
C. An increase in temperature can change equilibrium concentrations. This is because the rates of the forward and reverse reactions may be affected differently by the temperature change, leading to a shift in the equilibrium position.
D. An increase in temperature can lower the reaction's activation energy. This is not correct. The activation energy of a reaction is a fixed value that is determined by the nature of the reactants and the pathway of the reaction. However, increasing the temperature can increase the proportion of particles that have energy greater than the activation energy, thus increasing the rate of reaction.
Similar Questions
How do changes in temperature affect the rate of a reaction?A.Increasing temperature increases the reaction rate because the particles move faster and collide more often.B.Increasing temperature decreases the reaction rate because the particles break down into nonreactive substances.C.Decreasing temperature increases the reaction rate because the particles are more likely to react when they collide.D.Changing temperature does not affect the rate of a reaction because it does not change the activation energy.
How does a temperature increase cause the rate of a reaction to increase?A.It decreases orientation requirements of the molecules.B.It increases the equilibrium constant for the reaction.C.It increases the kinetic energy of the molecules.D.It decreases the activation energy of the reaction.SUBMITarrow_backPREVIOUS
How does increasing temperature increase the number of reactions?A.It lowers the amount of energy needed for a reaction to occur.B.It increases the collisions that have enough energy to react.C.It increases the length of time the molecules are together.D.It makes the orientation of the molecules not important.
Why does increasing the temperature speed up a reaction?A.It makes the energy of the reactants the same as the products.B.It forces the reaction to favor the product side at equilibrium.C.It increases the concentration of molecules so more will react.D.It provides energy to overcome the activation energy.
Why does increasing temperature generally increase the rate of a chemical reaction? A. It increases the amount of reactant. B. It decreases the size of the reactant particles. C. It causes the particles of the reactants to move faster and collide more often. D. It increases the space between reactant particles, so they have more room to move apart.
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