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Ede4ka [16]
3 years ago
14

What bond forms from an unequal sharing of electrons between atoms in a molecule? a nonpolar covalent bond a hydrophobic interac

tion a polar covalent bond a hydrogen bond an ionic bond?
Chemistry
1 answer:
love history [14]3 years ago
7 0
Sharing of electrons always means its a covalent bond, and unequal means it is polar, so it is a polar covalent bond
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3. Write DISSOCIATION or IONIZATION equations for the following chemicals:
Romashka [77]

Answer:

a) HNO3 -> H+ + NO3- disassociation of Nitric Acid; to yield a Nitrate ion and a Proton, H+, or as a Hydronium ion H3O+

b) H2S04 -> Disassociation of Sulfuric Acid; simple way- 2H+ + SO4- -

c) H2S hydrogen sulphide in water is an acid; thus H+ HS- disassociation.

d) NaOH -> dissociation of Na+ + OH-; this is complete; sodium hydroxide is deliquescent, meaning it will draw water - EVEN from the air! Strong Base

e) Na2CO3 -> 2Na+ CO3- - Ionization of sodium carbonate - a salt

f) Na2S04 -> 2Na+ + SO4 - - ionization of sodium sulphate - a salt

g) NaCl​ -> Na+ + Cl- ionization of the salt, Sodium Chloride

Explanation:

Salts ionize at different rates; acids or bases dissociate; these are mostly strong acids and NaOH, a strong base.

8 0
3 years ago
What is the density of carbon dioxide gas if 0.196g occupies a volume of 100mL?
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We know that the equation for density is:

D=\frac{m}{V}

where D is the density, m is the mass in grams, and V is the volume.

Given two of the variables, we can then solve for density:

D=\frac{0.196g}{100mL}= \frac{0.00196g}{mL}

So therefore, we now know that the density of carbon dioxide gas is 0.00196g/mL.

7 0
3 years ago
A hot air ballon will rise in air because:
solmaris [256]

Answer: C

Explanation:

Hot air is a lot less dense for a few reasons. Hot air essentially means the particles have more kinetic energy, and move around a lot more. Cold air is dense because the particles move a lot less, have less energy, and are closer together.

7 0
3 years ago
Read 2 more answers
Tanner adds 10 grams of dry sand to 100 milliliters of warm salt water. This mixture is stirred and placed on a table. When Tann
Ivenika [448]
He will most likely find that  the sand has sunken to the bottom because the molecules in sand are to powerful to break apart and disslove.
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3 years ago
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What can scientists measure to provide evidence that electrons can move from one energy level to another
andrey2020 [161]

Answer:

recording the wavelength of light

Explanation:

When an appropriate measure of energy say in the form of light of a certain wavelength, is supplied, electrons have a tendency to absorb the energy and get excited to a higher energy level. Conversely, if an electron is already at a higher energy state it will emit energy in the form of light (or heat) and return to a more stable lower energy state.

8 0
4 years ago
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