2 years ago

Give an example of a change that the ecosystem was able to recover from and return to equilibrium.

Chemistry

1 answer:

Tanzania [10]2 years ago

4 0

Answer:

The Fox is at the top of the food chain; so, the other animals could increase in population and the fox could return

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The starting substanceses of a chemical reaction are refered to as

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The starting substances in a chemical reaction are called reactants - they are written on the left side of a chemical equation.

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3 years ago

For the following chemical equation.

kotegsom [21]

Sr is the limiting reactant.

Given the reaction equation;

2Sr + O2 (g) → 2SrO

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2 moles Sr will react with x mole of O2

x = 2 ×1/2

x = 1 mole of O2

Since we have more O2 than required, it is the reactant in excess, hence Sr is the limiting reactant.

Learn more: brainly.com/question/14225536

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3 years ago

The reaction of 5.40 g of carbon with excess O2 yields 13.6 g of CO2. What is the percent yield of this reaction?

vazorg [7]

C + O2= CO2
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$n = \frac{13.6}{12 + 16 \times 2} \\ n = \frac{13.6}{44} \\ n = 0.31 \: mol \: of \: carbon \: dioxide$
CO2 is limit
5.4-3.72= 1.68 g of C is excess
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2 years ago

Calculate the volume of a 0.225M solution of KOH required to react with 0.215g of acetic acid.

Sidana [21]

Hope this might help ask me if u have any doubts

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