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Vanyuwa [196]
3 years ago
10

Your body contains a considerable amount of dissolved metal ions. Based on what you know about food and nutrition, list at least

three metals you think could be found within the human body.
Chemistry
1 answer:
Vlad1618 [11]3 years ago
5 0

Answer:

Three metals that can be found within the human body are Zinc, Iron, and Copper.

Explanation:

Iron is found in the meat you consume, Copper is found in food items such as whole grains, beans, nuts, potatoes, etc... Zinc is found in organs, tissues, bones, fluids, and cells. I actually consume Zinc in pill forms because it helps the immune system.

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Answer:

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B. It's dissociation is a reversible reaction

Explanation:

NH3 is a weak alkali that does not dissociate fully into its solution. Only parts of the ammonia takes part in the dissociation process.

NH3 + H20 —> NH4+ + OH-

This dissociation is reversible which means the reactants can be formed from the product gotten from the dissociation

It has a high pH due to its basic nature. It also has a Low concentration of H+ ions and not all the OH- ions are released.

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Calculate the number of moles when 3.00l of a gas at 814 mmhg and 25 °c?
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  • Volume=V=3L
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So

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\\ \rm\rightarrowtail PV=nRT

\\ \rm\rightarrowtail n=\dfrac{PV}{RT}

\\ \rm\rightarrowtail n=\dfrac{814(3)}{25R}

\\ \rm\rightarrowtail n=2442/25R

\\ \rm\rightarrowtail n=97.7Rmol

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