Question
Asked Nov 11, 2019
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E17D.4(b) The activation energy for the decomposition ofbenzene diazonium
chloride is 99.1 kJ mol". At what temperature is the rate constant 10 per cent
greater than at 25 °C?
16
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E17D.4(b) The activation energy for the decomposition ofbenzene diazonium chloride is 99.1 kJ mol". At what temperature is the rate constant 10 per cent greater than at 25 °C? 16

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Expert Answer

Step 1

The activation energy at 25˚C is 99.1 kJ/mol.

 

Let k1 is the rate constant at 25˚C and k2 at T2.

 

The conversion of temperature in Celsius to Kelvin is done by the formula.

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T(K) T(OC) 273 K T 25°C 273 T 298 K

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Step 2

Therefore, the temperature (T1) is 289 K.

 

Similarly, the conversion of 99.1 kJ/mol into J/mol is as follows:

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1 kJ/mol 1000 J/mol 99.1 kJ/mol 99.1 x10 J/mol

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Step 3

It is given that rate constant (k2) is 10% greater than k1, which means k2 = 1.10 k1.

 

The form of Arrhenius e...

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E A 1 In т т,

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