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valentina_108 [34]
3 years ago
10

Water (H2O) is a liquid at room temperature. Ammonia (NH3) is a gas at room temperature. Both are polar covalent compounds. Whic

h compound most likely has the strongest intermolecular forces?
a. water
b ammonia
Chemistry
2 answers:
Nat2105 [25]3 years ago
8 0

the answer is: A. Water

Tanzania [10]3 years ago
5 0

Answer:

Water has the strongest inter-molecular forces.

Explanation:

As given that water and ammonia both are polar however water is liquid and ammonia is a gas at room temperature.

Let us understand the difference between solid, liquid and gas.

The three states differ from each other due to

a) inter-molecular forces of attraction (the force of attraction between two molecules of same or different substance).

b) the thermal energy of molecules.

In case of solids the inter-molecular forces are maximum and the thermal energy is least. So the molecules are held strong with each other and does not move here and there.

In case of liquid and gas, the inter-molecular forces of attraction are stronger in liquid as compared to gas while thermal energy of gas molecules is more.

In water, the oxygen atom is more electro-negative than nitrogen of ammonia. This makes water molecular more polar.

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C2h4 3 o2 2 co2 2 h2o
Marat540 [252]
Use the question marck Moles of CO2
The the giving = 0.624 mol O2
Find the CF faction = 1 mole=  32.00 of O2

O= 2x16.00= 32.00amu ( writte this in the cf fraction)
SET UP THE CHART
Always start with the giving

0.624 mol O2    /  1mol of CO2
___________  / _____________ = Cancel the queal ( O2)
                       / 32.00c O2
                      /
                     /
Multiply the top and divide by the bottom 
0.624 mol CO x 1mol CO2 = 0.624 divide by 32.00 O2 =0.0195
You should look at the giving number ( how many num u gor ever there) 
Ur answer should have the same # as ur givin so 
= 0.0195 
= .0195 mol of CO2
3 0
3 years ago
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