Question

EXPERIMENT 4: DETERMINATION OF INITIAL RATE AND ACTIVATION ENERGY FOR IODINE CLOCK

1. Define the terms below:
a) Initial rate
b) Activation energy

2. Explain the purpose of using water baths in this experiment?

Answer 1

Answer:

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Answer 2

Explanation:

1)(a).The initial rate of a reaction is the instantaneous rate at the start of the reaction (i.e., when t = 0). The initial rate is equal to the negative of the slope of the curve of reactant concentration versus time at t = 0. Top.

b).In chemistry and physics, activation energy is the energy which must be provided to a chemical or nuclear system with potential reactants to result in: a chemical reaction, nuclear reaction, or various other physical phenomena. ... The term Activation Energy was introduced in 1889 by the Swedish scientist Svante Arrhenius.

2).A water bath is laboratory equipment made from a container filled with heated water. It is used to incubate samples in water at a constant temperature over a long period of time. ... It is also used to enable certain chemical reactions to occur at high temperature.

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