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KATRIN_1 [288]
3 years ago
11

Which of the following compounds is the MOST polar?

Chemistry
1 answer:
Ber [7]3 years ago
3 0
H-F because it has the largest difference in electronegativity which is 2, so it’s the most polar.
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A molecule has sp2 hybridization with 1 lone pair.... The electron pair geometry of this molecule is: ... The geometry of this m
MrRa [10]

Answer:

The electron pair geometry is Trigonal planar

Molecular geometry - Bent

Approximate bond angle - <120°

Explanation:

The valence shell electron pair repulsion theory enables us to predict the shapes of molecules based on the number of electron pairs present on the valence shell of the central atom and based on the hybridization state of the central atom.

sp2 hybridization corresponds to trigonal planar geometry. Let us recall that the presence of lone pairs causes a deviation of the molecular geometry from the expected geometry based on the number of electron pairs.

Hence, owing to one lone pair present, the observed molecular geometry is bent.

6 0
3 years ago
An ideal gas at constant temperature is confined in an airtight cylinder, and a piston pushes down on the gas in the cylinder. a
FrozenT [24]
Pushing down a piston in an airtight cylinder would tend to increase the pressure in the system since the particle collision and collisions with the walls are now more frequent. Also, pushing further, the gas would undergo a phase change from gas to a liquid.
3 0
3 years ago
How is a scientific law different from other laws in society?
Lemur [1.5K]

Answer:

The answer will be A

Explanation:

A scientific law is based on repeated experiments or observations, that describe or predict a range of natural phenomena. A scientific law is something that is unexpected

7 0
3 years ago
Read 2 more answers
The element with the greatest density is osmium, which has
Vinil7 [7]

Answer:

Mass is 725.46g/cm

Explanation:

Mass = density × volume = 22.6g/cm^3 × 32.1cm^2 = 725.46g/cm

5 0
3 years ago
The number of hydrogen atoms in 0.050 mol of c3h8o3 is
Natalka [10]

Answer:

            2.40 × 10²³ Atoms of Hydrogen

Solution:

The number of hydrogen atoms in C₃H₈O₃ are calculated as;

As, there are eight hydrogen atoms per molecule of C₃H₈O₃, therefore the number of hydrogen atoms per mole of C₃H₈O₃ are calculated as;

            1 mole C₃H₈O₃ contains  =  6.022 × 10²³ Molecules of C₃H₈O₃

So,

       0.05 mole C₃H₈O₃ will contain  =  X Molecules of C₃H₈O₃

Solving for X,

                     X  =  (0.05 × 6.022 × 10²³) ÷ 1

                     X =  3.011 × 10²² Molecules of C₃H₈O₃

As,

            1 Molecule of C₃H₈O₃ contains  =  8 Atoms of Hydrogen

So,

3.011 × 10²² Molecules of C₃H₈O₃ will contain  =  X Atoms of Hydrogen

Solving for X,

                     X =  (3.011 × 10²² × 8) ÷ 1

                     X  =  2.40 × 10²³ Atoms of Hydrogen


6 0
3 years ago
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