For a reaction 1/2 A -> 2B, rate of disappearance of A is related to the rate of appearance of B by the expression
The term (-dc/dt) in a rate equation refer to the
The rate of a reaction is doubled for every 10Â° C rise in temperature. The increase in reaction rate as a result of temperature..
If doubling the concentration of a reactant A increases the rate 4 times and tripling the concentration of A increase the rate 9 t..
In the first order reaction, the concentration of the reactants is reduced to 25 per in one hour. The half-life period of the reac..
The half-life of a reaction is halved as the initial concentration of the reactant is doubled. The order of the reaction is
The rate of a reaction that not involve gases is not dependent on
A first order reaction is 10per complete in 20 min. The time taken for 19er completion is
For a first order reaction the ratio of times to complete 99.9 per. and half of the reaction is
In a chemical reaction, two reactants take part. The rate of reaction is directly proportional to the concentration of one of them..
A reaction proceeds by first order, 75 per of this reaction was completed in 32 min. The time required for 50 per completion is
A first order reaction is 60 per complete in 20 min. How long will the reaction take to be 84 per complete?
By increase in temperature by 10 K, the rate of reaction becomes double. How many times the rate of reaction will be if the temper..
The rate of a chemical reaction
1/[A]^2 versus time is straight line. Order of reaction is
In the synthesis of ammonia by Haber process, if 60 moles of amonia is obtained in one hour, then the rate of disappearance of Nit..
The initial rate, -d[A]/dt at t = 0 was found to be 2.6*10-2 mol L-1s-1 for the reaction A+2B --> Products,The inicial rate, -d[B]..
Which of the following statement is false in relation to enzyme
For the reaction N2O5(g) -2NO2(g)+1/2O2(g) the value of rate of disappearance of N2O5 is given as 6.25*10 -3 mol L-1S-1 . The rate..
The rate of which a substance reacts depends on its
A catalyst increases the rate of a chemical reaction by
If the rate of reaction A --> B doubles on increasing the concentration of A by 4 times, the order of the reaction is
For a reaction, the rate constant is 2.34 s^-1. The half-life period for the reaction is
The bromination of acetone that occurs in acid solution is represented by this equation. CH3CHOCH3(aq) + Br2(aq)-- ch3coch2br(aq)+..
For given a reaction 3A + B -> C + D the rate of reaction can be represented by
For a first order reaction with rate constant k and initial concentration a , the half-life period is given by
The rate of the reaction A -> products, at the initial concentration of 3.24*10-2M is nine times its rate at another initial conce..
Velocity constant of a reaction at 290 K was found to be 3.2*10-3. At 310 K it will be about
Which increases on increase of temperature ?
The rate of reaction 2N2O5 - 4NO2+O2 can be written in three ways
In the reaction CL2 + CH4 hv__> CH3CL + HCL, presence of a small amount of oxygen
In a reaction, A+B -> C, the rate of expression is R = K[A][B]2. If the concentration of both the reactants is doubled at constant..
1A gaseous hypothetical chemical equation 2A-- 4B+C is carried out in a closed vessel. The concentration of B is found to increase..
In the reaction 2A+B -- A2B, if the concentration of A is doubled and B is halved, then the rate of reaction will
For the reaction A+B - products,it is observed that :
1) On doubling the initial concentration of A only,the rate of reaction is ..
The initial rates of reaction 3A+2B+C -- Products, at different initial concentrations are given below
Rate of reaction depends upon
The minimum energy required for the reacting molecules to undergo reaction is
The unit of second order reaction rate constant is
Activation energy of a reaction
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