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What concentration increase would cause a tenfold increase in the rate of a reaction of order 2?
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In the reaction 2SO2 plus O2 Reversible 2SO3 which change would cause the greatest increase in the concentration of SO3?
Increase the concentration of SO2
Does a increase in pressure cause an increase of reaction rate?
Yes
What will cause the reaction time of a reflex to increase?
a large number of neurons-therefore, synapses-involved
What will happen to a weak acid dissociation equilibrium if more reactants were added?
Concentration of products would increase in order to attain equilibrium in the system again.For example:H2CO3 --> H+ + HCO3-K= ([H+][žHCO3-])/([H2CO3])K is constant for this process, so if you increase the concentration of reactants (H2CO3), in order for K to stay the same, concentration of products (H+, HCO3-) would also have to increase.It's part of Le Chatelier's principle: "If a chemical system at equilibrium experiences a change in concentration, temperature, volume, or partial pressure, then the equilibrium shifts to counteract the imposed change and a new equilibrium is established."So, in your case, adding more reactant would cause equilibrium to shift to the right (toward products), and therefore, their concentration would increase so that new equilibrium could be established.
What is the order of reaction if the half life of a reaction is halved as the initial concentration of the reactant is doubled.?
Second order. If the half life of a reaction is halved as the initial concentration of the reactant is doubled, it means that half life is inversely proportional to initial concentration for this reaction. The only half life equation that fits this is the one for a second-order reaction. t(1/2) = 1/[Ao]k As you can see since k remains constant, if you double [Ao], you will cause t(1/2) to be halved.
In the reaction 2SO2 plus O2 Reversible 2SO3 which change would cause the greatest increase in the concentration of SO3?
Increase the concentration of SO2
What cause the concentration of reactants to affect the reaction?
The more concentrated the solution of reactants, the more the reaction wants to push right making more products.Same goes vice-versa; if there's more products, then the reaction will push left producing more reactants.
Does a increase in pressure cause an increase of reaction rate?
Yes
What are two variables that would cause a chemical reaction to have a fast reaction rate?
Increased concentration, increased temperature, and a catalyst will all increase reaction rates relative to what they normally are. Some reactions however will still be slow even with the change in these variables.
An increase in temperature will cause the rate of a chemical reaction to?
Increasing the temperature the dissolving rate increase.
How does temperature increase cause the rate of a reaction to increase?
It increases the kinetic energy of the molecules (APEX)
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.
What does a temperature increase cause the rate of a reaction to increase?
As temperature increase the speed and energy of molecules increase and the collisions are more probable.
What a does a temperature increase cause the rate of a reaction to increase?
As temperature increase the speed and energy of molecules increase and the collisions are more probable.
How does temperature increase cause the rate of reaction to increase?
The movement of molecules and collisions are increased at high temperature.
How does a temperature increase cause the rate of a reaction rate to increase?
It increases the kinetic energy of the molecules (APEX)
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.
