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solmaris [256]
3 years ago
9

In a carbon dioxide molecule, a double covalent bond forms when the carbon atom shares what

Chemistry
1 answer:
Papessa [141]3 years ago
3 0

Answer:

2 pair of an electron

Explanation:

carbon having 6 valence electron 2 electron involved in covalent bonding so 4 electron means 2 pairs of an electron will left.

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How many grams of carbon are contained in 2.25 g of potassium carbonate, K2CO3
romanna [79]

The mass of carbon contained in 2.25 g of potassium carbonate, K₂CO₃ is 0.196 g.

<h3>Molecular mass of potassium carbonate</h3>

The molecular mass of potassium carbonate, K₂CO₃ is calculated as follows;

M = K₂CO₃

M = (39 x 2) + (12) + (16 x 3)

M = 138 g

mass of carbon in potassium carbonate, K₂CO₃ is = 12 g

The mass of carbon contained in 2.25 g of potassium carbonate, K₂CO₃ is calculated as follows;

138 g ------------ 12 g of carbon

2.25 g ------------ ?

= (2.25 x 12) / 138

= 0.196 g

Thus, the mass of carbon contained in 2.25 g of potassium carbonate, K₂CO₃ is 0.196 g.

Learn more about potassium carbonate here: brainly.com/question/27514966

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5 0
1 year ago
How many moles in 843.211 grams of c6h12o6?
leonid [27]
Molar mass C6H12O6 = 12 x 6 + 1 x 12 + 16 x 6 = 180 g/mol

1 mole ------------ 180 g
( moles ) --------- 843.211 g

moles = 843.211 x 1 / 180

moles = 843.211 / 180

= 4,684 moles of C6H12O6
3 0
3 years ago
#4 only plss and huryy ​
scoray [572]

Answer:C

Explanation: The mass is still the same even though they took it apart.

6 0
2 years ago
During a chemical reaction, energya)is converted form one from to anotherb)increasesc)decreasesd)is used up as bonds and broken
alekssr [168]
A) energy is converted from one form to another
7 0
3 years ago
Examination of a cell by transmission electron microscopy reveals a high density of ribosomes in the cytoplasm. This observation
True [87]

Answer:

The answer is the B. Proteins

Explanation:

It is known that Ribosomes are the factory to synthesize proteins. This is their function.  In cell zones where ribosomes are abundant, proteins are actively produced

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2 years ago
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