3 years ago

Scientists decide that in an experiment on fish, all the fish will be fed the same amount of food

1 answer:

Liula [17]3 years ago

4 0

This is a controlled variable

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Mashcka [7]

Answer and Explanation:

The balanced chemical equations are as follows:

The chemical formula of oxalic is $H_2C_2O_4$

In the case when oxalic acts reacted with the water so here the oxalic acid eliminates one proton that leads to the development of mono acids

After that, the second step derives that when oxalic acid is in aqueous solution eliminates other proton so it represent the polyprotic acid

Now the chemical equations are as follows:

Elimination of one proton

$H_2C_2O_4(aq)+H_2O(l) \rightarrow H_2C_2O_4^-(aq) + H_3O^+(aq)$

Now the elimination of other proton

$HC_2O_4^-(aq)+H_2O(l) \rightarrow C_2O_4^2^-(aq) + H_3O^+(aq)$

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3 years ago

hammer [34]

Answer:

B is the correct answer

Explanation:

If this answer is correct plzz mark me as brainliest plzzzz

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3 years ago

katovenus [111]

Hello the term for weight is newton

hope this helped.

Cody

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3 years ago

denpristay [2]

It would be endothermic because the log is in the system.

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3 years ago

makkiz [27]

Accuracy is when you hit as close as to the target as you can and precision is when you are on point

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3 years ago