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diamong [38]
3 years ago
7

What happens in cellular respiration?

Chemistry
2 answers:
Paha777 [63]3 years ago
8 0

Answer:

Option B

Explanation:

The reaction can be summarized as

6O2+C6H12O6——›6CO2+6H2O+Heat

fomenos3 years ago
3 0

Answer:

B

Explanation:

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Define saturated and unsaturated fats​
notsponge [240]

Saturated fatty acids lack double bonds between the individual carbon atoms, while in unsaturated fatty acids there is at least one double bond in the fatty acid chain. Saturated fats tend to be solid at room temperature and from animal sources, while unsaturated fats are usually liquid and from plant sources.

6 0
3 years ago
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If you had a substance that water will not dissolve, then which of the following compounds would you choose to dissolve this sub
yanalaym [24]

Answer:

A. Vegetable oil

Explanation:

Solubility is determined by the principle , "like dissolves like" .

i.e. , if a compound is polar then it will dissolve in a polar compound only , and

if a compound is non - polar then it will dissolve in a non - polar compound only .

Hence , from the question ,

A. Vegetable oil is a non polar compound ,

B. Polar compound

C. ionic compound , is a polar compound .

Since , wate is polar in nature , hence it will get dissolved in a only polar compound ,

Therefore ,

Water will not get dissolved in vegetable oil , being it a non - polar compound .

7 0
3 years ago
What is the number of molecules present in 1.12 dm^3 of nitrogen gas at STP​
Anuta_ua [19.1K]

Answer:

\huge\boxed{\sf No.\ of\ molecules = 3 * 10\²\² \ molecules}

Explanation:

<u>Given Data:</u>

Volume = v = 1.12 dm³ = 1.12 L

Density of nitrogen at STP = D = 1.25 g / L

Molar mass = M = 14 * 2 = 28 g / mol

Avogadro's Number = \tt{N_{A}} = 6.023 * 10²³ mol⁻¹

<u>Required:</u>

No. of molecules = ?

<u>Formula:</u>

\tt{No. \ of \ molecules = \frac{Density * Volume}{Molar\ Mass} * N_{A}}

<u>Solution:</u>

No. of molecules = (1.25*1.12) / 28 * (6.023 * 10²³)

No. of molecules = ( 1.4 / 28 ) * 6.023 * 10²³

No. of molecules = 0.05 * 6.023 * 10²³

No. of molecules = 0.3 * 10²³

No. of molecules = 3 * 10²² molecules

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
4 0
3 years ago
Why is the greenhouse effect important to life on Earth?
In-s [12.5K]

Answer:

b

Explanation:

3 0
3 years ago
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When a solution of AgNO3 is mixed with a solution of NaBr (multiple options could be correct):
alex41 [277]

Answer:

After a few minutes pass, the concentration of Ag+ and Br- will be lower than when the two solutions were first mixed.

AgBr precipitate will spontaneously form.

Explanation:

After the net ionic equation AgBr forms

7 0
3 years ago
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