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bagirrra123 [75]
3 years ago
13

What are the components of a nucleotide?

Chemistry
1 answer:
Eva8 [605]3 years ago
5 0

Answer:

a nitrogen containing base, a pentose (five-carbon) sugar, and one or more phosphate groups

Explanation:

found this information on, newworldencyclopedia.com

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a chemist is studying an unknown substance he can break it into its elemental only by using chemical means.Based on this observa
Vanyuwa [196]

Answer:

Compound

Explanation:

We want to know if it's a compound or a mixture.

An example of a mixture is salt water: you can heat it hot enough to boil off the water, leaving only the salt. This is a physical change, which is how you know it's a mixture.

Something like gold is a compound: if you heat it, or hit it, you'll still only have gold. You can only break it down by chemical means, which is how you know it's a compound.

4 0
2 years ago
Which feature do you usually see when tectonics plates move apart?
exis [7]
A. new ocean ridges and seafloor 
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When hydrogen is burned in the presence of oxygen it will form water, as per the equation: 2H2 + O2 -> 2H2O. Which types of r
nadya68 [22]

Answer:

B

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Hydrogen is synthesized to water by adding Oxygen.

Hydrogen is oxidised to water by combustion ( burning in presence of oxygen).

4 0
3 years ago
Sterling silver contains silver and copper metals. if a sterling silver chain contains 17.6g of silver and 2.40g of copper, what
Bogdan [553]

Answer:-  0.88

Solution:- Masses of silver and copper metals are given and we are asked to calculate the percentage of silver in the alloy.

mass percent of Ag = (\frac{mass of Ag}{mass of alloy})*100

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mass of Cu = 2.40 g

mass of alloy = 17.6 g + 2.40 g = 20.0 g

Let's plug in the values in the formula:

mass percentage of Ag = (\frac{17.6}{20.0})*100

mass percentage of Ag = 88%

So, the mass percentage of silver in sterling silver is 88% and in decimal form it is 0.88.

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3 years ago
A _____ works by lighting the slide containing the specimen from below with a light bulb.
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Condenser Lens - This lens system is located immediately under the stage and focuses the light on the specimen.
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