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notka56 [123]
3 years ago
13

A woman runs a marathon in 90 ºf weather and replaces all volume lost in sweat by drinking distilled water. After the marathon,

she will have:.
Chemistry
1 answer:
gayaneshka [121]3 years ago
6 0

Answer:

Total body water (TBW) will be unchanged because the woman replaced all volume lost in sweat by drinking water. Hematocrit will be increased because of the shift of water from ECF to ICF and the shift of water into the red blood cells (RBCs), which causes their volume to increase.

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Sodium metal reacts with chlorine gas to produce sodium chloride. What mass (grams) of sodium metal would be needed to fully rea
gulaghasi [49]

Answer:

105.8 g of Na would be required

Explanation:

Let's think the reaction:

2Na(s)  + Cl₂(g)  →  2NaCl (s)

1 mol of chlorine reacts with 2 moles of sodium

Then, 2.3 moles of Cl₂ would react with (2.3 .2) / 1 = 4.6 moles

Let's determine the mass of them.

4.6 mol . 23 g/mol = 105.8 g

3 0
3 years ago
25. What is a subdivision of a family? *<br> O kingdom<br> O domain<br> O genus<br> O species
Anni [7]
The answer I believe is genus
7 0
3 years ago
What is the atomic number of an atom that has 20 protons and 20 neutrons
vladimir2022 [97]

Answer:

20

Explanation:

Hi there!

We need to find the atomic number of an atom that has 20 protons and 20 neutrons

the atomic number of an atom is equivalent to the amount of protons an atom has, as the number of protons determines what element an atom is.

Since the atom has 20 protons, the atomic number of the said atom is <u>20</u>

Hope this helps!  

5 0
3 years ago
Which term best describes a unit of carbon dioxide?
Lelechka [254]

Answer:

Molecule.

Explanation:

carbon and fluorine. Based on the bonding, a unit of carbon dioxideis described as a molecule.

7 0
2 years ago
Calculated from measurements of distance and time defined
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Answer:

Any of the six chemical elements that markup group1

of the periodic table.

Explanation:

8 0
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