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2 years ago

Is the H¬O bond in water nonpolar covalent, polar covalent, or ionic? Define each term, and explain your choice.

Chemistry

1 answer:

nydimaria [60]2 years ago

5 0

Like hydrogen fluoride (HF), water (H2O) is a polar covalent molecule.

The electron pair in a non-polar covalent bond is shared equally by the two bonded atoms, but in a polar covalent bond, the electron pair is shared unequally by the two bonded atoms. Differences in electronegativity are what lead to polar bonding.

The entire transfer of valence electron(s) between atoms is referred to as an ionic bond. It is a kind of chemical connection that produces two ions with opposing charges. In ionic bonding, the nonmetal takes the lost electrons to form a negatively charged anion while the metal loses them to become a positively charged cation.

Learn more about Polar covalent bond here-

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3 years ago

Read 2 more answers

The molar mass of a certain gas is 49 g. What is the density of the gas in g/L at STP?

snow_tiger [21]

Answer:

$\boxed{\text{2.2 g/L}}$

Explanation:

We can use the Ideal Gas Law to calculate the density of the gas.

pV = nRT

n = m/M Substitute for n

pV = (m/M)RT Multiply both sides by M

pVM = mRT Divide both sides by V

pM = (m/V) RT

ρ = m/V Substitute for m/V

pM = ρRT Divide each side by RT

$\rho = \frac{pM }{RT}$

Data:

p = 1.00 bar

M = 49 g/mol

R = 0.083 14 bar·L·K⁻¹mol⁻¹

T = 0 °C = 273.15 K

Calculation:

ρ = (1.00 × 49)/(0.083 14 × 273.15) = 2.2 g/L

The density of the gas is $\boxed{\text{2.2 g/L}}$ .

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4 years ago

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jeyben [28]

Answer:

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3 years ago

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lianna [129]

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Hoped I helped!

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