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Reaction rate is determined partly the chemical activity of the reacting components. In general, if you lower concentation (dilution) you lower the activity.
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What do enzymes change about a chemical reaction?
The Reaction Rate
Will introducing a competitive inhibitor change the rate of reaction?
It slowed the reaction rate down
What happens if the beta-galactosidase in not available?
the rate of reaction will change
This is the rate at which a substance undergoes a chemical change?
This is called reaction rate.
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 factor is likely to change the rate of reaction between marble and acid rain?
ya mum
What can change the rate of reaction of enzymes?
Heat can change the rate of reaction
How would you expect the rate of the second reaction to change the one with limestone and sulphuric acid?
irony dd
What do enzymes change about a chemical reaction?
The Reaction Rate
What material used to decrease the rate of reaction is?
Water for one. If a reaction is diluted, the components of the reaction are less likely to contact one another. This will mean that they will be also less likely to continue a reaction.
Will introducing a competitive inhibitor change the rate of reaction?
It slowed the reaction rate down
What happens if the beta-galactosidase in not available?
the rate of reaction will change
How does the concentration of an acid affect the rate of reaction?
The concentration of acid is very important when you are thinking about the rate of reaction. The more concentrated the acid is, the more particles there are to react with the other substance. This results in a faster and more vigorous reaction.
Chalk reacts with hydrochloric acid when mixed Will pounding the chalk into powder increase the rate of reaction?
Yes because make the chalk into a powder increases its surface area so it is more likely to react, so rate of reaction is increased
What would happen if the sulfuric acid was left out in the reaction between acetic anhydride and salicylic acid to prepare acetylsalicylic acid?
Because Salicylic Acid reacts with Acetic Anhydride in the presence of H2SO4 and CH3COOH to give Aspirin. The sulphuric acid does not react. If you measure the volume/weight of the acid before the reaction and after the reaction, there will be no change. Note:-You can also use Acetyl Chloride in the presence of phosphoric acid instead on Acetic Anhydride.
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.
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.
