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pshichka [43]
3 years ago
9

Which statement correctly describes hydrogen bonds? Which statement correctly describes hydrogen bonds? They hold together adjac

ent water molecules. They form when opposite charges repel each other. They happen only between water molecules. They form between the hydrogen atoms of different water molecules.
Chemistry
1 answer:
Assoli18 [71]3 years ago
5 0

Answer:

They form between the hydrogen atoms of different water molecules.

Explanation:

A hydrogen bond is always a dipole-dipole bond. It is an attraction between a slightly positive atom of a molecule with the negative atom of the another molecule containing hydrogen. Thus, in a water molecule, oxygen atom will attract the electrons in the O–H bonds. Its interaction always involves a hydrogen atom.

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Given:
galina1969 [7]

Answer: 4.74 moles

Explanation:

2LiBr+Ba\rightarrow BaBr_2+2Li

Moles of Ba=\frac{\text {given mass}}{\text {molar mass}}

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According to given balanced equation,

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Thus 2.37 moles of Barium gives=\frac{2}{1}\times 2.37=4.74 moles

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4 0
3 years ago
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