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Integrated Rate Equation Free Doubts and Solutions

CBSE - XII Science - Chemistry - Chemical Kinetics

The experimental data for the reaction: 2A + B2 → 2AB is: Write the rate equation for the reaction?

Asked by Topperlearning User 22nd June 2016, 9:20 AM
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CBSE - XII Science - Chemistry - Chemical Kinetics

The rate constant for a reaction of zero order in A is 0.0030 mol L-1 s-1. How long will it take for the initial concentration of A to fall from 0.10 M to 0.075 M?

Asked by Topperlearning User 22nd June 2016, 9:18 AM
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CBSE - XII Science - Chemistry - Chemical Kinetics

Derive an equation for calculating the half life of a first order reaction

Asked by Topperlearning User 22nd June 2016, 9:18 AM
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CBSE - XII Science - Chemistry - Chemical Kinetics

Calculate the rate of reaction from the rate law:  = k[A] [B]2, when the concentration of A and B are 0.01 M and 0.02 M respectively and k = 5.1 x 10-3 L2 mol-2 s-1.

Asked by Topperlearning User 22nd June 2016, 9:17 AM
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CBSE - XII Science - Chemistry - Chemical Kinetics

In second order reaction why the graph btwn concentration and rate will be parabola and why it will be starting from origin and will open upwards?

Asked by ayushi 12th June 2016, 9:03 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

IN A RADIOACTIVE EQUILIBRIUM   A rightwards arrow B rightwards arrow C,   THE RATIO OF NUMBER OF ATOMS OF A TO B IS    1 colon space 2.8 asterisk times 10 hat 6.

IF HALF LIFE OF A IS 1620 YEARS, WHAT IS THE HALF LIFE OF B?
 

Asked by Isha 18th January 2016, 6:43 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

how to find log

Asked by Farooq Ahmad Shah 9th June 2015, 9:41 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

The decomposition of Cl2O7 at 400K in gas phase to Cl2 and O2 is a first order reaction.
(i) After 55s at 400K, the pressure of Cl2O7 falls from 0.062 to 0.044 atm. Calculate the
rate constant.
(ii) Calculate the pressure of Cl2O7 after 100s of decomposition at this temperature.

Asked by Bholanath Beura 11th September 2014, 9:40 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

What is a first order reaction ?

Asked by NAKSHATRA 16th August 2014, 5:07 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

the hydrolysis of ester was carriecout separately with0.05M HCl and 0.05M H2SO4.which one of the following is true and why?
a)K(HCl)>K(H2SO4)
b)K(HCl)>K(H2SO4)
C)K(HCl)=K(H2SO4)
d)K(HCl)=0.5K(H2SO4)

Asked by Malavika Umesh 21st June 2014, 8:08 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

A first order reaction has a rate constant of 0.0051 min-1. If we begin with 0.10 M concentration of the reactant, what concentration of the reactant will be left after 3 hours?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

What is meant by the 'rate constant, k' of a reaction? If the concentration be expressed in mol L-1 units and time in seconds, what would be the units for k (i) for a zero order reaction and (ii) for a first order reaction?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

A first order decomposition reaction takes 40 minutes for 30% decomposition. Calculate its t1/2 value.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

The rate of reaction between A and B increases by a factor of 100. Calculate the order of the reaction when the concentration of A is increased 10 times.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

The half-life of a first order decomposition of nitramide is 2.1 hour at 25o C. Determine the time taken for the compound to decompose 99% of its original amount, rate constant = 0.2303 per hour.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

The reaction A + 3B 2C obeys the rate equation: Rate = k[A]1/3 [B]3/2. Find out the order of this reaction?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

A gas phase decomposition of xy follows the rate law r = k[xy]n. what are the units of its rate constant?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

Explain why the rate of a chemical reaction does not remain uniform throughout the reaction?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

Draw schematic graphs showing the following details of the first order reactions.i) Variation of the rate of reaction with change in the concentration of the reactant. ii) Variation of In [R] Vs t and Log [Ro]/[R] vs t.

Asked by Topperlearning User 28th March 2014, 10:48 AM
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CBSE - XII Science - Chemistry - Chemical Kinetics

For a chemical reaction X Y, The rate increases by the factor 2.25 when concentration of X is increased by 1.5. Derive or suggest the rate law equation and find the order of reaction.

Asked by Topperlearning User 28th March 2014, 10:16 AM
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