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andreyandreev [35.5K]
2 years ago
8

1.

Chemistry
1 answer:
marin [14]2 years ago
4 0
<span>Myoglobin, like most proteins, has a complex three dimensional structure that is formed from many twisted helices. There are more than one helix, and it does not look like beads on a straight piece of string. It is not branched.</span>
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What do you mean by the region or space that an electron revolves<br> the nucleus in an atom?
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<em><u>ANSWER</u></em>

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What is the relationship between the Kuiper Belt and the status of Pluto today?
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4 0
3 years ago
select the equations that are correctly balanced. h2o 2o2? h2o2 fe2o3 3h2? 2fe 3h2o al 3br2? albr3 caco3? cao co2 can you clarif
natta225 [31]
<span>The choices are as follows:
h2o + 2o2 = h2o2
 fe2o3 + 3h2 = 2fe + 3h2o
al + 3br2 = albr3
caco3 = </span><span>cao + co2

The correct answers would be the second and the last option. The equations that are correctly balanced are:

</span> fe2o3 + 3h2 = 2fe + 3h2o 
caco3 = cao + co2

To balance, it should be that the number of atoms of each element in the reactant and the product side is equal.
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2 years ago
Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?
Alex73 [517]
Your answer is B.
Because it says that that carbon burns in presence of oxygen (C+O) which is equal ( => ) to Carbon Dioxide (CO_{2})
3 0
3 years ago
Read 2 more answers
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