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andreev551 [17]
3 years ago
13

A)Completaţi ecuaţiile chimice următoare cu formulele chimice şi coeficienţii adecvaţi:

Chemistry
1 answer:
Scilla [17]3 years ago
6 0

Answer:co2

Explanation:because of the oxygen levels

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Alenkasestr [34]
I believe the answer you're looking for is, D. The motion of atoms and molecules. 
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IRINA_888 [86]

Answer:

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3 0
3 years ago
How many moles of C2H6 in 3.754 x 1023 molecules of C2H6?
ira [324]

Answer:

n=N/NA

n= 3.754×10²³/6.02×10²³

n= 6.24 s

Explanation

since there is number of molecules, make use of Avogadro's constant to get number of moles.

5 0
1 year ago
What does control group mean
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7 0
3 years ago
A 232 mL cup of whole milk contains about 27 mg of cholesterol. Express the cholesterol concentration of the milk in kilograms p
son4ous [18]

Explanation:

Cholesterol concentration = 27 mg/ 232 mL

Change unit mg/ml to kg/m³

1 kg = 1000 g

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1 kg = 1000000 mg

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1 L = 1000 mL

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10⁶ mL = m³

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Cholesterol concentration = 27 mg/ 232 mL

27 × 10^-6 kg/ 232 × 10^-6 m³

= 27/232 kg/m³

6 0
3 years ago
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