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USPshnik [31]
3 years ago
5

describe how to put a food you enjoy such as hamburger pizza or muffin identify one physical change that takes place as this foo

d is prepared identify one chemical change that takes place as this food and prepare.
Chemistry
1 answer:
Debora [2.8K]3 years ago
7 0
One chemical change would be baking the muffin.
One physical change would be chopping the fruits to add to the mixture
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<u>Answer:</u> The expression of K_b is written below.

<u>Explanation:</u>

We are given a chemical compound which is trimethylamine that acts as a weak base when dissolved in water.

It accepts a proton from the water to form trimethylammonium ion and hydroxide ion.

The chemical equation for the reaction of trimethylamine in water follows:

(CH_3)_3N+H_2O\rightleftharpoons (CH_3)_3NH^++OH^-

The expression of K_b for above equation follows:

K_b=\frac{[(CH_3)_3NH^+][OH^-]}{[(CH_3)_3N]}

Hence, the expression of K_b is written above.

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