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The graph between log k versus 1//T is a...

The graph between `log k` versus `1//T` is a straight line.

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Rate constant k of a reaction varies with temperature according to the equation logk=" constant"-(E_(a))/(2.303).(1)/(T) where E_(a) is the energy of activation for the reaction. When a graph is plotted for log k versus 1//T , a straight line with a slope -6670 K is obtained. Calculate the energy of activation for this reaction. State the units (R=8.314" JK"^(-1)mol^(-1))

Rate constant k of a reaction varies with temperature according to the equation logk = constant -E_a/(2.303R)(1/T) where E_a is the energy of activation for the reaction . When a graph is plotted for log k versus 1/T , a straight line with a slope - 6670 K is obtained. Calculate the energy of activation for this reaction

The rate constant 'k'. For a reaction varies with temperature 'T' according to the question. log k = log A-(E_(a))/(2.303R)(1/T) Where E_(a) is the activation energy. When a graph is plotted for log k vs 1//T , a straight line with a slope of -4250 K is obtained. Calcualte E_(a) for this reaction.

Variation of equiibrium constant K with temperature T is given by van 't Holf equation, log K=logA-(DeltaH^(@))/(2.303RT) A graph between log K and T^(-1) was a straight line as shown in the figure and having theta=tan^(-1)(0.5)"and"OP=10 . Calculate: (a) DeltaH^(@) (standard heat of reaction)when T=300K, (b) A (pre-exponetial factor), (c) Equilibrium constant K at 300 K, (d) K "at" 900 K "if" DeltaH^(@) is independent of temperature.

CENGAGE CHEMISTRY-CHEMICAL KINETICS-Exercises True/False
  1. For a zero order reaction, The rate becomes double when the order of t...

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  2. For a zero order reaction, the half-life periof is independent of the ...

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  3. x g of a radioactive substance will be decomposed to 7//8x g in 40 s i...

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  4. For a first order reaction, the half-life periof is 0.263 k.

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  5. The sum of powers to which of the concentration terms are raised in th...

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  6. The difference between the energy maximum along a reaction path and th...

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  7. The graph between log k versus 1//T is a straight line.

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  8. The slope of the tangent at a point on the curve of concentration of a...

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  9. A poistive catalyst increases the activation energy of the reaction.

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  10. The slope of straight line in a plot of log.[A] versus time for a firs...

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  11. The rate of reaction increases with increase in activation energy.

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  12. The average rate and instantaneous rate are the same.

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  13. Longer the reaction life time, faster is the reaction.

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  14. A mixture of reactants may be thermodynamically unstable but kinetical...

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  15. The rate constant of a specific reaction is independent of the concent...

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  16. The order of reaction can never be zero.

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  17. In a gaseous reaction, an increase in the pressure of the reactant gas...

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  18. The hydrolyiss of ethyl acetate in the pressure of sofium hydroxide is...

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  19. The unit of rate constant for a zero order reaction is s^(-1).

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  20. In a second order reaction, the plot of 1//(a-x) versus t is a straigh...

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