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3 years ago

What element is found in liver and red blood cells and is needed to prevent anemia

Chemistry

2 answers:

Lana71 [14]3 years ago

7 0

Iron is the element found in the liver to prevent anemia

irina [24]3 years ago

4 0

Iron is the element found in the liver and red blood cells, needed to prevent anemia

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What is made when a salt is dissolved in water?

Xelga [282]

Answer:

D. A solution.

Explanation:

"Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules, as this diagram shows. Once this happens, the salt is dissolved, resulting in a homogeneous solution."

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2 years ago

The Ideal Gas Law is as follows: PV = nRT.

Dima020 [189]

Answer:

p=nRT/V

v=nRT/P

n=PV/RT

t=PV/nR

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2 years ago

What is the relationship between temperature and the rate of a chemical reaction?

finlep [7]

Answer:

When we increase the temperature of one of the reactants in a chemical reaction, this increases the particles kinetic energy, making them move much faster than they were before. This also increases the chance of a more successful collision and the rate of reaction.

Explanation:

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3 years ago

How many parts per million of fluoride in a solution that is 500 grams of fluoride and 500,000 liters water

erik [133]

0.000001‬ppm

Explanation:

Mass of fluoride = 500g

Volume of water = 500000liters

Unknown:

Parts per million of fluoride = ?

Solution:

The parts per million is the amount of solute in milligram dissolved in a liter of water or milligram per kilogram of solvent

It is a unit used to express very small concentration.

we need to convert g - mg

500g = 500 x 10⁻³mg = 0.5mg

Concentration in parts per million = $\frac{mass in mg}{Volume in liters}$

Concentration in parts per million = $\frac{0.5}{500000}$ = 0.000001‬ppm

learn more:

Parts per million brainly.com/question/2854033

#learnwithBrainly

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3 years ago

Write balanced equations for each of the processes described below. (Use the lowest possible coefficients. Omit states-of-matter

Aleks [24]

Answer:

Explanation:

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3 years ago