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yanalaym [24]
3 years ago
15

State the formula for density in words and mathematical symbols

Chemistry
1 answer:
sergiy2304 [10]3 years ago
6 0

density is the kilogram per cubic metre means mass divided by volume.

          mathmatically=      density=  mass/ volume

                      rough =    m/v

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The empirical formula of an organic compound is C2H4O. The molecular mass of the compound is 176g/mol.
Brrunno [24]

Answer:

The molecular formula of the compound is C_{8}H_{16}O_{4}. The molecular formula is obtained by the following expression shown below

\textrm{Molecular formula }= n\times \textrm{Empirical formula}

Explanation:

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Given empirical formula is  C_{2}H_{4}O

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Empirical formula mass of the compound = \left ( 2\times12+4+16 \right ) \textrm{ u} = 44 \textrm{ g/mol}

n = \displaystyle \frac{\textrm{Molecular formula mass}}{\textrm{Empirical formula mass}} \\n = \displaystyle \frac{176}{44} = 4

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3 years ago
Why is BCl3 a non-polar compound?​
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Answer:

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What is a result of the unequal electron sharing in a water molecule?
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Answer:

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Explanation:

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It is wrong choice because water has polar bond .

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c. Water molecules have a weakly positive hydrogen end.  

This is the right choice.

d. Water molecules have two oxygen and two hydrogen atoms

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So, the right choice is

c. Water molecules have a weakly positive hydrogen end.  

6 0
4 years ago
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