3 years ago

Vitamin B is composed of how many compounds?

1 answer:

4 0

Vitamin B is composed of C. 8 compounds. Here they are:
- vitamin B1 is called thiamine
- vitamin B2 is called riboflavin
- vitamin B3 are niacin, nicotinic acid, nicotinamide riboside
- vitamin B5 is pantothenic acid
- vitamin B6 are pyridoxine, pyridoxal, pyridoxamine
- vitamin B7 is biotin
- vitamin B9 is folic acid
- vitamin B12 are cobalamins

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Gaseous hydrogen and oxygen can be prepared in the laboratory from the decomposition of gaseous water. The equation for the reac

nata0808 [166]

Answer:

$m_{O_2}=87.2gO_2$

Explanation:

Hello.

In this case, given the chemical reaction, we can compute the grams of oxygen by using the 98.2 g of water via the 2:1 mole ratio between them, the molar mass of water that is 18.02 g/mol, the molar mass of gaseous oxygen that is 32.00 g/mol and the following stoichiometric procedure relating the given information:

$m_{O_2}=98.2gH_2O*\frac{1molH_2O}{18.02gH_2O}*\frac{1molO_2}{2molH_2O}*\frac{32.00gO_2}{1molO_2} \\\\m_{O_2}=87.2gO_2$

In which the result is displayed with three significant figures because the given mass of water 98.2 g, has three significant figures too.

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3 years ago

Chase had determined the boiling point of an unknown liquid to be 45.2 ⁰C when the correct boiling point is 44.32 ⁰C. What is th

Nataly_w [17]

Answer:

The boiling point of the liquid is 47.368°C

Explanation:

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Explanation:

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Where the options are?

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The answer to this question is bohr Greek

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