reaction of a particular organic compound with water varies with temperature as follows:  Temperature, K  k, /s 300 3.2x10-11 320 1.0x10-9 340 3.0x10-8 355 2.4x10-7   The Arrhenius equation is lnln k=k= Answer (1T)(1T) + Answer. Therefore, the

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Chapter1: Chemical Foundations
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1. The first-order rate constant for reaction of a particular organic compound with water varies with temperature as follows:

 Temperature, K 

k, /s

300

3.2x10-11

320

1.0x10-9

340

3.0x10-8

355

2.4x10-7

 

The Arrhenius equation is lnln k=k= Answer (1T)(1T) + Answer. Therefore, the activation energy, Ea is Answer.

Round-off answers to the nearest whole numbers.

2. Calculate the change in the internal energy for a process in which a system absorbs 247 J of heat from the surroundings and does 92 J of work on the surroundings.

Indicate the unit.

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