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Vedmedyk [2.9K]
3 years ago
10

How many moles of nitroge are there in 50.0 g of nitrogen?

Chemistry
1 answer:
chubhunter [2.5K]3 years ago
8 0

1.785714286 moles

The number of moles (n) for nitrogen is: [ n=50.0÷28.0 ] = 1.785714286 moles.

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In order to synthesize proteins, carbohydrates, lipids, and nucleic acids, cells require _____.
jonny [76]

Answer:

Energy

Explanation:

A sugar group would be used for carbohydrates or nucleic acids. An adenosine group would be used in ATP formation if I recall correct. And disaccharides are just two monosaccharides linked together, so that would also be for carbohydrates. Therefore, energy is the answer.

4 0
3 years ago
When a hydrochloric acid solution is combined with
adoni [48]

Answer:

HCl(aq) + KOH(aq --> KCl(aq) + H₂O(l)

Explanation:

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What law is known as the law of action-<br> reaction?
Molodets [167]

Law of Action and Reaction mean "To every action there is equal and opposite reaction.

Explanation:

It is Newtons third law which explained few  things such as :-

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3. Eaxmple - As we push against the wall - Action , the wall in return opposes equal force to resist the pressure of the hand - Reaction.

6 0
3 years ago
IUPAC NAME FOR<br><br> [Fe(H2O)6](NO3)3
Kaylis [27]

Answer:

hexaaquairon(III) trinitrate

7 0
2 years ago
What is the chemical equation for the boiling of Coca Cola to determine sugar content
yKpoI14uk [10]
Your best guess for the boiling point of any version of Coke would be 100 C, the boiling point of water.

Diet Coke is mostly water (the flavourings are a very small amount relative to the amount of water). The largest ingredient will be the sweetener but there will be only a fraction of a gram of that. It is unlikely you will notice any deviation from the properties of water.

Standard Coke has quite a lot of sugar in it. A standard can (~300ml) contains about 40g of sugar. To put it another way, the contents are more than 10% sugar by weight and the solution is about 1/3 mol/L of sucrose (other sugars will be slightly different). A standard calculation using the ebullioscopic constant for water suggests the elevation of the boiling point will be barely 0.2 C, so small you'd struggle to measure it without good instruments and a good experimental setup.
5 0
3 years ago
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