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Sholpan [36]
3 years ago
12

Which is more dense: (b)Oxygen or air?

Chemistry
1 answer:
statuscvo [17]3 years ago
3 0

Answer:

I think air is more denser than oxygen

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Complete and balanced the following equations by predicting the products of each reaction pair.
astra-53 [7]

Explanation:

this is a single Replacement Reaction, so Na and Cl will form a bond.

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3 years ago
Which of the following is an example of rapid combustion?
rjkz [21]

phosphorus in water is rapid combustion.

6 0
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Choose the right reagent or series of reagents from the ones listed below to prepare 2-methyl-3-hexyn-2-ol from acetylene.
Feliz [49]
2-methyl-3-hexyn-2-ol can be prepared from Acetylene by treating Acetylene with <span>NaNH</span>₂<span> followed by CH</span>₃<span>CH</span>₂<span>Br, then treating the intermediate with NaNH</span>₂<span> followed by acetone and then doing aqueous workup. NaNH</span>₂ acts as base and abstracts proton from acetylene as the terminal alkynes are acidic in nature. While acetone on reduction gives tertiary alcohol.

7 0
3 years ago
Please help me!
algol13

Answer:

Tropical

Explanation:

Hope this helps! :) x

7 0
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What two factors determine whether a molecule is polar or not?
Bad White [126]

Answer:

electronegativity of bonded atoms and shape.

Explanation:

if the shape of molecule is symmetric it will non polar. The polar molecules are trigonal in shape.

Sodium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the chlorine. Sodium becomes positive and chlorine becomes negative ion and compound is polar.

Covalent bond:

It is formed by the sharing of electron pair between bonded atoms.  

The atom with larger electronegativity attract the electron pair more towards it self and becomes partial negative while the other atom becomes partial positive and compound will polar.

For example:

In water the electronegativity of oxygen is 3.44 and hydrogen is 2.2. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and hydrogen becomes partial positive.

5 0
3 years ago
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