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wlad13 [49]
2 years ago
6

What is the difference between a nucleic acid and a nucleotide?.

Chemistry
1 answer:
aalyn [17]2 years ago
7 0

Nucleic Acid is a complex organic substance present in living cells, especially DNA or RNA whose molecules consist of many nucleotides linked in a long chain.

Nucleotide is a compound consisting of a nucleoside linked to a phosphate group. They form the basic structural unit of nucleic acids such as DNA.

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What are Intensive and Extensive properties?
lianna [129]
Intensive properties are the properties which values doesnt change with the amount of mass or material that you have, example density, melting point boiling point, molecular mass

Extensive are properties that depends of how much mass or material you have. Example: mass, number of moles, volume, pressure, number of students, population, 

mass, volume, quantity (there is only one of each), color, reflect light, temperature, energy
5 0
3 years ago
What a piece of metal is left out in the weather for a long time it begin to rush just like an old car the rust we see is iron a
aleksklad [387]

Answer:

Iron w/Zinc. Metals react in weather of any type…and it is chemists job to try to figure out how to slow that process down. Zinc is a metal that is often coated on top of steel which is called galvanizing the steel, or “Galvanized Steel.” This process will help to slow down the rust as the zinc acts as an additional barrier to the air and moisture getting to the steel/iron.

Explanation:

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3 years ago
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Consider the balanced chemical equation below.
viktelen [127]

Explanation:

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5 0
3 years ago
What is the concentration of a solution of a 40.0 g of NaOH in 2.5 L of solution?
RoseWind [281]

Answer: 0.4M

Explanation:

Given that,

Amount of moles of NaOH (n) = ?

Mass of NaOH in grams = 40.0g

For molar mass of NaOH, use the atomic masses: Na = 23g; O = 16g; H = 1g

NaOH = (23g + 16g + 1g)

= 40g/mol

Since, n = mass in grams / molar mass

n = 40.0g / 40.0g/mol

n = 1 mole

Volume of NaOH solution (v) = 2.5 L

Concentration of NaOH solution (c) = ?

Since concentration (c) is obtained by dividing the amount of solute dissolved by the volume of solvent, hence

c = n / v

c = 1 mole / 2.5 L

c = 0.4 mol/L (Concentration in mol/L is the same as Molarity, M)

Thus, the concentration of a solution of a 40.0 g of NaOH in 2.5 L of solution is 0.4 mol/L or 0.4M

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3 years ago
g cr2o3 molar mass compound containing chromium and silicon contains 73.52 mass percent chromium. Determine its empirical formul
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Ggggggggggggggggggggg
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