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3 years ago

8

At Which points in this graph is bone growing at the faster rate?

2 answers:

lianna [129]3 years ago

7 0

Answer:

The bone grows at a faster rate between the ages of 12 and 14.

Explanation:

To appreciate this, we must analyze the slope of the straight line at each 2-year interval. From 2 to 12 years old the positive slope is slight, then we observe that from 12 to 14 years old the slope increases significantly, and then from 14 to 16 years old the slope decreases a little. In the final stretch from 16 to 20 the slope tends to be horizontal, so it decreases significantly.

The more the straight line tends to be vertical, the higher the rate of growth.

Have a nice day!

Vikki [24]3 years ago

6 0

The rate of growth is faster in the (10 - 14) age group and slows down after the age of 14. After the age of 16 the growth is the slowest

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In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCl42-. Co2 (aq) is pink and CoCl42-(aq)

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1. This reaction is <u>(A) Exothermic .</u>

2. When the temperature is decreased the equilibrium constant, K: <u>(A) Increases</u>

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Explanation:

$CoCl4^2-(aq) Co_2+(aq) + 4Cl^-(aq)$

1. The pink color predominates at low temperatures, indicating that the commodity is preferred.

This is a reaction that is <u>exothermic.</u>

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equilibrium constant = $\frac{product}{reactant}$ = $\frac{[CO^2^+][Cl^-^4]}{CoCl^2^-_4}$

As the temperature drops, the concentration of $Cl^-$ and $CO^2^+$ rises, and K rises as well , thus it <u>increases </u>.

3. The equilibrium concentration of $CO^2^+$ decreases as the temperature decreases:

When the temperature is lowered, the equilibrium shifts to the right , that is it <u>increases.</u>

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