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Stirring a mixture
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∙ 10y ago
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What effects does the concentration of reactions have on the rate of a reaction?
increasing the concentration increases the rate of the reaction
How is the rate of reaction affected when the temperature increases?
As the temperature increases, the reaction time decreases.
How do you increase the rate of a reaction of a solid?
Grinding the solid into a powder increases the surface area and increases the rate of the reaction. Heating it would also increase the rate.
How does an increase in temperatre affect chemical reaction?
Increases reaction rate.
What is one physiological factor in reaction time?
any one of these: age,reaction time decreases with age gender, males usually has higher reaction rate, body temperature (higher body temperature=higher reaction rate)
How does the factor concentration affect reaction rate?
increasing concentration increases rate of reaction as there are more particles so there is a larger chance of collision,it increases the probability of collision of the reactants.
How do you alter the reaction rate of a chemical change?
Heat - increases it Increased stirring - increases it larger surface area - increases it catalyst - usually increases it and the reverse of the above slows the reaction down
What effect does the concentration of reactants have on the the rate of a reaction?
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.
What can increase the chance of a reaction when two molecules collide?
An increase in the temperature usually increases the rate of reaction by increasing the number of collisions.
What happens when an enzyme catalyzes a reaction?
The rate of a reactions usually increases when catalyzed by an enzyme. For maximum rate of activity, the enzyme needs optimal conditions.
What is steric acceleration?
For Sn1 reaction the rate usually increases due to steric acceleration. For example the more methyl groups a compound has i.e the more tertiary it is the faster the rate of reaction will be for an Sn1 reaction.
How is the rate of reaction affected when the temperature increases?
As the temperature increases, the reaction time decreases.
What effect does the concentration on reactants have on the rate of a reaction?
increasing the concentration increases the rate of the reaction
What effect does the concentration of reactants have on the rate of reaction?
increasing the concentration increases the rate of the reaction
What effect does the concentrate of reactants have on the rate of a reaction?
increasing the concentration increases the rate of the reaction
What effect of concentration of reactants have on the rate of a reaction?
increasing the concentration increases the rate of the reaction
What effects does the concentration of reactions have on the rate of a reaction?
increasing the concentration increases the rate of the reaction
