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3 years ago

How does calcium apply to real life

Chemistry

2 answers:

sweet [91]3 years ago

8 0

I don't know who knows the answer

Valentin [98]3 years ago

4 0

The body needs calcium to maintain strong bones and to carry out many important functions. Almost all calcium is stored in bones and teeth, where it supports their structure and hardness. The body also needs calcium for muscles to move and for nerves to carry messages between the brain and every body part.

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Potassium carbonate dissolved in water

rusak2 [61]

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3 years ago

Jane set up an experiment with 7 types of dog food and 15 dogs. Each day she fed a different brand of dog food to the 15 dogs. H

bixtya [17]

Answer:

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3 years ago

Write a net ionic equation to show that perchloric acid, hclo4, behaves as an acid in water.

Reika [66]

A chemical equation that lists those species only which are participating in the reaction is said to be a net-ionic equation. It is commonly used in double-displacement reactions, acid-base neutralization reactions, and redox reactions.

In order to write the net ionic equation:

The molecular equation is written first.
The strong electrolytes are break into their respective ions with correct formula and number of ions.
The common ions on both the sides that is on reactant and product side are cancelled out.
The resulting equation is a net-ionic equation

The molecular equation between perchloric acid, $HClO_4$ in water, $H_2O$ is:

$HClO_4(aq) + H_2O(l)\rightarrow H_3O^{+}(aq) + ClO_{4}^{-}(aq)$

Breaking the strong electrolytes in their respective ions:

$H^{+}(aq) + ClO_4^{-} (aq) + H_2O(l)\rightarrow H_3O^{+}(aq) + ClO_{4}^{-}(aq)$

Cancelling the common ion, $ClO_{4}^{-}(aq)$ from both the sides:

$H^{+}(aq) + H_2O(l)\rightarrow H_3O^{+}(aq)$

Hence, the net ionic equation between perchloric acid, $HClO_4$ in water, $H_2O$ is:

$H^{+}(aq) + H_2O(l)\rightarrow H_3O^{+}(aq)$

Since, the production of $H_3O^{+}$ takes place so, the perchloric acid, $HClO_4$ acts as an acid by donating proton, $H^{+}$ ion to water.

5 0

4 years ago

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Awnser all of them if you can its really EASY im feelin generous today 30 pts

Aneli [31]

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Explanation: Hope this helps! Good luck!

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3 years ago

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The atoms of two kinds of elements are likely to have

shepuryov [24]

Nuclei is a common thing atoms have, along with protons and electrons.

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4 years ago

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How does calcium apply to real life​

How does calcium apply to real life