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CBSE - XII Science - Chemistry - Chemical Kinetics
the half life span of a radioactive element is 10 years .in no. will 10 gram of that substances remain 1•25 gram
Asked by mishraridhi2020
23rd June 2022,
9:16 AM
CBSE - XII Science - Chemistry - Chemical Kinetics
what is the formula for effect of temperature on rate of reaction?
Asked by imtiyazmulla68
22nd March 2018,
8:25 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
Please send solution of 2 questions on chemical kinetics
Please send solution of 2 questions on chemical kinetics
Asked by sudhanshubhushanroy
17th November 2017,
9:41 AM
CBSE - XII Science - Chemistry - Chemical Kinetics
Q) In Q7 how the order of reaction is identified plz.. kindly explain this??
Asked by araima2001
27th October 2017,
5:35 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
Define transition state or activation complex.
Asked by Topperlearning User
22nd June 2016,
10:39 AM
CBSE - XII Science - Chemistry - Chemical Kinetics
The rate of a particular reaction triples when temperature changes from 50oC to100oC. Calculate the activation energy of the reaction. [Given log 3 = 0.4771; R = 8.314 JK-1 mol-1]
Asked by Topperlearning User
22nd June 2016,
9:57 AM
CBSE - XII Science - Chemistry - Chemical Kinetics
The rate constant for the first order decomposition of certain reaction is described by the equation log k (sec-1) = Calculate the activation energy for this reaction.
Asked by Topperlearning User
22nd June 2016,
9:56 AM
CBSE - XII Science - Chemistry - Chemical Kinetics
What is activated complex ?
Asked by NAKSHATRA
16th August 2014,
5:13 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
What exactly is Reaction Co-ordinate and how do I find it out?
Please answer.
Please answer.
Asked by Ravi Kumar
5th August 2014,
3:08 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
Why decrease in the activation energy leads to an increase in the rate of reaction?
Asked by Nishtha Sardana
18th June 2014,
4:50 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
Derive an equation for calculating the value of activation energy Ea by plotting a graph between log k and 1/T
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
The rate constant of a first order reaction becomes 6 times when the temperature is increased from 350 K to 410 K. Calculate the energy of activation for the reaction.(R = 8.314 JK-1 mol-1)
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
Explain why the activation energy of a reaction can never be zero.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
Draw a graph to show the various energy changes that take place in the following reaction: H2 (g) + I2 (g) 2HI (g)
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
The activation energy for a reaction is zero. Calculate the value of its rate constant at 300 K, if k = 1.6 x 106 s-1 at 280 K? (R = 8.31 JK-1 Mol-1)
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
What is temperature coefficient? Explain
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
What is the effect of a catalyst on the equilibrium constant of a reaction?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - Chemical Kinetics
Define activation energy.
Asked by Topperlearning User
4th June 2014,
1:23 PM
