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Reaction rate can change due to factors such as temperature, concentration of reactants, presence of catalysts, and surface area of reactants. Increasing temperature generally increases reaction rate by providing more energy for molecular collisions, while higher reactant concentrations and larger surface areas promote more frequent collisions between reactant molecules. Catalysts can also lower activation energy and increase reaction rate by providing an alternative pathway for the reaction to proceed.
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What do enzymes change about a chemical reaction?
The Reaction Rate
This is the rate at which a substance undergoes a chemical change?
This is called reaction rate.
What causes an increase in the rate of a chemical reaction between 2 liquids?
Increasing the temperature will increase the reaction rate, as will finding a suitable catalyst.
What is the relationship between concentration and reaction rate?
In general (but not always), the reaction rate will increase with increasing concentrations. If the reaction is zero order with respect to that substance, then the rate will not change.
What parameter involved in a chemical reaction will change with the addition of a catalyst?
The rate of a chemical reaction will change in the presence of a catalyst, unless the reaction is already at equilibrium.
What can change the rate of reaction of enzymes?
Heat can change the rate of reaction
Does the rate constant change with concentration in a chemical reaction?
Yes, the rate constant can change with concentration in a chemical reaction.
What do enzymes change about a chemical reaction?
The Reaction Rate
What causes the reaction rate to decreases as the reaction progresses?
The concentration of the reactants decreases.
What causes the reaction rate to decrease as the reaction progress?
The concentration of the reactants decreases.
How do you calculate the initial rate of reaction in a chemical reaction?
To calculate the initial rate of reaction in a chemical reaction, you measure the change in concentration of a reactant over a specific time interval at the beginning of the reaction. This change in concentration is then divided by the time interval to determine the initial rate of reaction.
What effect does the concentration of reactants have on the rate of speed?
The effect of concentration of reactants on rate of reaction depends on the ORDER of the reaction. For many reactions, as the concentration of reactants increases, the rate of reaction increases. There are exceptions however, for example a zero order reaction where the rate of reaction does not change with a change in the concentration of a reactant.
This is the rate at which a substance undergoes a chemical change?
This is called reaction rate.
What causes a reaction but does not disappear or change?
A catalyst
What causes molecular change?
a chemical reaction
What causes an increase in the rate of a chemical reaction between 2 liquids?
Increasing the temperature will increase the reaction rate, as will finding a suitable catalyst.
What is the relationship between concentration and reaction rate?
In general (but not always), the reaction rate will increase with increasing concentrations. If the reaction is zero order with respect to that substance, then the rate will not change.
