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What is a main reason that an increase in temperature increases the rate of a chemical reaction?
Wiki User
∙ 13y ago
Temperature is the measure of the average kinetic energy of the molecules involved. If the temperature increases, then the kinetic energy of the molecules increases and they move faster. Faster moving molecules have more collisions with other molecules and more forcefully. For a reaction to occur, the molecules have to line up correctly and with adequate force. By increasing the speed of the particles, you are increasing the chance that the two molecules will align and produce a reaction.
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoIncreasing the temperature will speed up the rate of a chemical reaction. This is because increasing the temperature increases the kinetic energy of the particles. This increases the likelihood that collisions will take place, and collisions are what cause the reaction (according to collision theory.)
Wiki User
∙ 15y agoWhen You increase the temperature it excites the atoms and makes them move faster, this will then increase the number of collisions occurring, therefore increasing the rate of reaction
Wiki User
∙ 13y agoAn increase in temperature means there is an increase in energy present, which naturally, would speed up a chemical reaction.
Wiki User
∙ 13y agoAt higher temperatures, molecules move around faster, increasing the chance that they will collide and chemically react.
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If the temperature of a chemical reaction is increased the reaction rate?
It depends if the reaction is endothermic (requires heat/energy) or is exothermic (requires no heat/energy and produces heat/energy). In general, most reactions are endothermic and require some amount of energy to 'go' and hence, an increase in temperature will increase the rate of reaction. However, in exothermic reactions, introducing heat can halt the reaction as well as reverse it, if said reaction is reversible.
How does temperature affects the order of a reaction?
as temperature increase the rate of the reaction increase because ther is an increase in the kinetic energy causeing the molecules to move more rapidly cause a increase in collision.
A catalyst increases the rate of a chemical reaction by changing which of the following conditions?
A catalyst can speed up the rate of a given chemical reaction by lowering the activation energy required for the reaction to occur. However, the catalyst does not change the total free energy from reactants to products.
An iron fence is left unpainted and it reacts with the oxygen in the air forming rust The formation of rust is an oxidation-reduction reaction but it is also an example of aan?
An iron fence is left unpainted, and it reacts with the oxygen in the air, forming rust. The formation of rust is an oxidation-reduction reaction, but it is also an example of a(n) synthesis reaction. In general, if temperature of a chemical reaction increases, the reaction rate increases, decreased remains the same cannot be predicted increases.
How does Le chatelier's principle increase yields of chemical reactions?
It states that any change made to the system will force the system to partially compensate the change. To increase yield you could: Increase the temperature of an endothermic reaction, because in endothermic reaction, energy is absorbed. Therefore, and increase int temperature increases the product yield. Decrease the temperature for an exothermic reaction, because in this reaction, energy is given off. So to take away the energy, the product forming reaction is favored. For Gas systems, increasing the pressure (in turn, decreasing the volume) will favor the side with the least number of moles. So if the product side has less moles, it will go forward. Likewise, if the products have more moles, decreasing the pressure or increasing the volume of the solution with favor the forward reaction. In aqueous solutions, adding water lowers the concentrations of all the components. To increase the concentration, the system will go to the side with the greatest moles to favor the forward reaction. Adding a catalyst WILL NEVER INCREASE THE Yield. Neither will a inert gas.
How does increasing the temperature effect a chemical reaction?
Raising the temperature makes chemical reactions faster.
What happens to the rate constant of a chemical reaction when the temperature increases?
Increasing the temperature will cause there to be an increase in kinetic energy. This results in an increase in collision frequency, and eventually an increase in rate of reaction as well.
Why does an increase reaction temperature generally increase the reaction rate?
All chemical reactions must be thought of as collisions between the particles of reactants and products. As the temperature of the reaction increases, the energy of the particles also increases and so there is a greater chance of more collisions occuring, and as a result, in general, an increase in reaction temperature increases the reaction rate
Does enzymatic action in a chemical reaction result in an increase in temperature?
Yes it can, but more commonly an increase in temperature increases enzymatic action.
Does the temperature increase or decrease when energy is released during a chemical reaction?
The temperature increases when energy is released during a chemical reaction.
How is the rate of reaction affected when the temperature increases?
As the temperature increases, the reaction time decreases.
In general an increase in temperature?
A general increase in temperature increases the reaction rate.
What factors change the rate of chemical reaction?
Adding a catalyst to the process will make the chemical reaction go faster. Also, the temperation, concentration, state of matter and pressure will affect the rate of the chemical reaction.
Does the change of temperature will slow or faster the chemical reaction?
No, an increase in temperature will speed up the reaction. This is because the heat energy is transferred into kinetic energy (movement energy) in the reactors and this increases their speed and so increases the rate at which they collide with each other, increasing the rate of the chemical reaction.
How does an increase in temperatre affect chemical reaction?
Increases reaction rate.
What leads to an increase in the rate of a chemical reaction?
Either (or both) an increase in the reactants or temperature will increase the rate of a chemical reaction.
Is temperature essential in determining the reaction rate?
yes, as the reaction rate increases with increase in the temperature
