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mestny [16]
3 years ago
10

How many electromagnetic forces exist?

Chemistry
2 answers:
Dimas [21]3 years ago
8 0

Answer:

c

Explanation:

there just issues with this site I'm not sure of

oee [108]3 years ago
6 0
One. The electromagnetic force is one of the four known fundamental forces.
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Explain what makes a covalently bonded molecule polar. Use the molecules of CH4 and CH3F as examples in your explanation.
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Answer:

See explanation

Explanation:

The magnitude of electronegativity difference between atoms in a bond determines whether that bond will be polar or not.

If the electronegativity difference between atoms in a bond is about 1.7, the bond is ionic. If the electronegativity difference is greater than 0.4 and less than 1.7, the bond will have a polar covalent character. Lastly, if the electronegativity difference between the bond is less than or equal to 0.4, the covalent bond is non polar.

The electronegativity difference between carbon and hydrogen is about 0.4 which corresponds to a nonpolar covalent bond hence the molecule is nonpolar.

The electronegativity difference between carbon and fluorine is about 1.5 indicating a highly polar bond. This gives CH3F an overall dipole moment thereby making the molecule polar.

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2 years ago
What is the value of all conversion factors that are used in dimensional analysis
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All the conversions have a net value of 1
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Suppose that 0.00150 moles of CO2 (44.0 g/mol) effuse out of a pinhole in 1.00 hour. How many moles of N2 (28.0 g/mol) would eff
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1. Is O2 a compound? Explain.
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1. O2 is not a compound because it only contains one or more type of the same element atom.
2. O2 is a molecule because a molecule is one or more of the same element atom.
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