Compare the strength of intermolecular forces in no2 to the strength of intermolecular forces in n2

2 answers:

7 0

N2 is non-polar molecules,
NO2 is polar molecules that have slightly positive charge on N and slightly negative on O, so intermolecular forces are stronger in NO2

Crazy boy [7]3 years ago

4 0

Answer: The intermolecular forces "Dipole-dipole forces" in NO2 is more stronger than "London-dispersion forces" in N2.

Explanation:

Dipole-dipole forces is considered as an attractive force (5.0 kJ to 20.0 kJ) of the positive end of one polar molecule with the negative end of another polar molecule and it is found in NO2.
The London dispersion force is the weakest intermolecular forces. It results when the electrons in two neighboring atoms positions that make the atoms form temporary dipoles and it is found in N2. This force is sometimes called an induced dipole attraction.
So, The dipole-dipole forces are more stronger than that of London-dispersion forces.

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The essential oil found in cloves, eugenol, can be isolated by steam distillation because it is insoluble in water and has a mea

Damm [24]

We know that:
Molar Mass H2O: 18 g/mol
Molar Mass of Eugenol: 164 g/mol 
Boiling point of H2O: 100 degrees C 
Boiling point of Eugenol: 254 degrees C 
Density of water: 1.0 g/mL 
Density of Eugenol: 1.05 g/mL 

Using formula:
V= [mole fraction x molar mass] / density 

mH20: 0.9947 * 18
= 17.9046 / 1 g/mL
= 17.9046 
morg: 0.0053 * 164
= 0.8692/ 1.05 g/mL
= 0.8278 

V% = Vorg/(Vorg + VH2O) * 100 
(0.8278/18.7324) * 100 = 4.419% 

Yotal volume = 30 mL; therefore,
0.0442 = (volume eugenol/30) 

(m eug/mH2O) = (peug*164/pH2O*18) 
(m eug/30) = (4*164/760*18) 
m eug = about 1.44g and 

volume = mass/density
= 1.44/1.05
= about 1.37 mL

6 0

2 years ago

How many grams of sodium chloride are contained in 250.0 g of a 15% NaCl solution?

kramer

Given concentration of NaCl=15%

Means ,

In every 100g of Solution 15g of NaCl is present .

Now