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Gwar [14]
3 years ago
10

Helpppppppppppppppppp​

Chemistry
2 answers:
EleoNora [17]3 years ago
8 0

Answer:

it may be b becaise o helps in break down of food

aniked [119]3 years ago
3 0
It’s going to be osmosis in the cell would stop
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Balancing oxidation-reduction reactions <br> Mg+ N2—&gt;Mg3N2
BartSMP [9]

Answer:

{ \sf{3Mg_{(s)} + N_{2(g)} →Mg _{3}N_{2(s)}}}

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3 years ago
Which nuclei are most useful for organic structure determination using nmr spectroscopy? (select all that apply.)?
Mumz [18]
Hydrogen-1, Carbon-13, Nitrogen-15, Fluorine-19, and Phosphorus-31 are the most useful. Out of these, Hydrogen-1 and Carbon-13 in NMR are the most useful nuclei because the these atoms are the most commonly present in organic molecules.
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3 years ago
Which type of matter can be separated by physical means? A. atom B. element C. compound D. mixture
madreJ [45]

Answer:

b

Explanation:

A pure substance has a constant composition and cannot be separated into simpler substances by physical means. There are two types of pure substances: elements and compounds.

7 0
2 years ago
Read 2 more answers
determine the volume of your 0.25 m stock solution that is needed to make 200 ml of 0.010 m nacl. show all calculations
rusak2 [61]

The volume of your 0.25 m stock solution that is needed to make 200 ml of 0.010 m NaCl is <u>0.008 L</u>

Concentration is the abundance of a constituent divided by way of the overall volume of an aggregate. several sorts of mathematical descriptions may be outstanding: mass concentration, molar concentration, variety concentration, and extent awareness.

Calculation:-

C₁ =  0.25 M

V₁ = ?

C₂ = 0.010 M

V₂ = 200 ml = 0.2 L

V₁ = C₂V₂/C₁

    = 0.010 ×  0.2 /  0.25

   =<u> 0.008 L</u>

The concentration of a substance is the quantity of solute found in a given amount of solution. Concentrations are normally expressed in terms of molarity, defined because of the variety of moles of solute in 1 L of answer.

The Concentration of an answer is a measure of the quantity of solute that has been dissolved in a given amount of solvent or answer. A concentrated answer is one that has a rather huge quantity of dissolved solute.

Learn more about concentration here:-brainly.com/question/26255204

#SPJ4

5 0
1 year ago
5. The combustion of coal with oxygen forms CO2 and releases 94 kcal of energy.
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Ok buddy sorry buddy I just got
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3 years ago
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