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saul85 [17]
3 years ago
9

The combustion of carbohydrates and the combustion of fats are both exothermic processes, yet the combustion of carbohydrates is

a faster process. How can this be? Answer in detail please, Thanks.
Chemistry
1 answer:
saveliy_v [14]3 years ago
4 0

Explanation:

Combustion of a compound is the reaction with oxygen , hence , the process of combustion is an oxidation reaction.

The carbohydrates contain more amount of oxygen as compared to the fats ,

Hence ,

carbohydrates , have a lot of oxygen contents , are are already partially oxidized , but fats have lower oxygen content .

Therefore ,

The partially oxidized carbohydrates are very difficult to oxidized in comparison to fats .

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A second-order reaction has a rate law: rate = k[a]2, where k = 0.150 m−1s−1. If the initial concentration of a is 0.250 m, what
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Rate law for the given 2nd order reaction is:

Rate = k[a]2

Given data:

rate constant k = 0.150 m-1s-1

initial concentration, [a] = 0.250 M

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The second order rate equation is:

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substituting for k,t and [a] we get:

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3 years ago
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A lead sphere has a mass of 1.20 x 104 g, and its volume is 1.05 x 103 cm^3. Calculate the density of lead.
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