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natka813 [3]
4 years ago
11

How many moles of hydrogen are required to make 32 moles of water?

Chemistry
2 answers:
NNADVOKAT [17]4 years ago
7 0
You multiply 32 by 2, since there are two hydrogens in every water molecule.
kicyunya [14]4 years ago
6 0
<span>We know that there are 2 moles of H in 1 mole of water. How many moles of H are there in 32 moles of water?
 
H2O ----------------- H
1 mol --------------- 2 mols
32 mol ------------- x
 
1 . X = 32. 2 ⇒ X = 64 mols of H

Answer:
</span>\boxed{\boxed{64\: mols\: of\: Hydrogen}}<span>
</span>
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Determine the correct amino acid sequence of a heptapeptide (a small peptide containing seven amino acids) on the basis of the f
vova2212 [387]

Answer:

a. Leu-Ala-Arg-Phe-Val-Val-Lys .

Explanation:

Hello.

In this case, considering the given data, we notice that the amino acid has a N-terminal Leu, that is why we first discard d. Moreover, considering the data (iii) and (v) we can infer that there are going to be two fragments by which it is possible to reason the proper sequence:

(iii): the amino acid has one section composed by Lys-Phe-Val-Val and another one by Ala, Arg, Leu that is why e is also discarded.

(v): the other two fragments are Ala, Arg, Leu, Phe, that is why b is discarded.

(iii) and (v): given the aforementioned fragments, we can combine them and therefore discard c, that is why the correct sequence is:

a. Leu-Ala-Arg-Phe-Val-Val-Lys .

Best regards.

4 0
3 years ago
What causes the properties of elements in a group to be similar?
77julia77 [94]
They have similar properties because they have the same number of valence electrons
8 0
3 years ago
If the following elements were to combine with each other, choose which demonstrate the Law of Multiple Proportion. Select all t
Marysya12 [62]
Answer is:<span> Z:X = 7:1 and </span><span>Y:X = 11:1.

</span>Law of multiple proportions or Dalton's Law said that <span>the ratios of the masses of the second element which combine with a fixed mass of the first element will be ratios of small whole numbers. 
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</span><span>

</span>
6 0
3 years ago
How do you differentiate between gas and a vapour ?
kolbaska11 [484]
Gas is a substance that will not phase change.

And vapor is a substance above it's boiling point temperature.
6 0
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for an electron to move from an energy level that was close to the nucleus to an energy level that is far from the nucleus would
marishachu [46]

Answer:

it would need to lose energy

Explanation:

I don't really have an explanation

7 0
3 years ago
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