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ryzh [129]
2 years ago
13

Hydrogen bonds can be found between molecules of which of the following

Chemistry
1 answer:
Fantom [35]2 years ago
8 0

Answer:

HF

Explanation:

Hydrogen bond is one of the chemical bonds that holds atoms and molecules together. Hydrogen bonding forms between an hydrogen atom and an electronegative atom such as fluorine, oxygen, or nitrogen. These electronegative atoms pull most of the electrons from the hydrogen atom, thereby, making the molecule a polar one.

An example of molecules that forms hydrogen bonding is Hydrogen fluoride (HF). The hydrogen atom of one HF molecule is attracted to the very electronegative fluorine atom of another HF molecule due to the difference in electrons. This forms the HYDROGEN BOND in HF molecule.

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scZoUnD [109]

Answer:

1.

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2.

6CO2+6H2O——>C6H12O6+6O2

6 0
2 years ago
An unknown substance has a mass of 14.7 g . When the substance absorbs 1.323×102 J of heat, the temperature of the substance is
Fudgin [204]
The correct answer of the given question above would be option B. IRON 0.449. Based on the given details above about an unknown substance that has a mass of 14.7 g and  the substance absorbs 1.323×102 J of heat, the temperature of the substance is raised from 25.0 ∘C to45.0 ∘C, most likely, the substance is IRON. Hope this answers the question.
7 0
3 years ago
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Which element has the highest ionization energy<br> A. Calcium<br> B. Bromine<br> C. Astatine
inessss [21]

Answer:

bromine

Explanation:

4 0
3 years ago
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valina [46]

Answer:

lbm/ft³ or psi/ft

Explanation:

The description in the question shows the density to measured is that of gases (upper atmosphere). The density of a gas can be described as the mass of the gas divided by the volume of the gas at a certain temperature and pressure. It's unit can be represented as lbm/ft³ or psi/ft.

NOTE:

"lbm" means "lean body mass" which is a unit for mass or weight and can be described as the pound mass

"psi" means "pound per square inch"; is also a unit for mass or weight

5 0
3 years ago
Trick to change word equation to chemical equation​
Elden [556K]

Answer:

actually word equation has the names and we need to write molecular formula in chemical eqn. so I don't think there is sort of trick.You just need to memorise the molecular formula of chemicals.

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