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Chemistry
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Question description

The effect of temperature on the rate of a reaction was studied and the following data obtained:

k (s-1)T (°C)
1.91×10-45
2.25×10-47
3.07×10-411
3.58×10-413
4.84×10-417
7.49×10-423
1.06×10-328
1.22×10-330

It is known that the variation of the rate constant k with the absolute temperature T is described by the Arrhenius equation:


k = A exp [( −Ea )/(RT)]

where Ea is the activation energy, R is the universal gas constant and A is the pre-exponential factor (units of the rate constant). Taking the natural logarithm of both sides affords:


ln k = ln A −  Ea
RT

For a plot of y = ln k versus x = 1/T, calculate the slope of the best straight line using linear regression.


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(Top Tutor) Daniel C.
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School: New York University
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