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4 years ago

What is the definition of a Lewis acid?

Chemistry

1 answer:

liraira [26]4 years ago

7 0

A compund or ironic species which can acept an electron pair from donor compund.

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According to VSEPR theory, the structure of the ammonia molecule, NH3, is

Hatshy [7]

According to VSEPR theory, the structure of the ammonia molecule, NH3, is linear.

So your answer is B) linear

5 0

3 years ago

Which of the following pairs contains a conjugate acid-base pair?

zzz [600]

Remember that a conjugate acid-base pair will differ only by one proton.
None of the options you listed are conjugate acid-base pairs as none of them differ only by one proton (or H⁺)
An example of a conjugate acid-base pair would be NH₃ and NH₄⁺NH₃ + H₂O --> NH₄⁺ + OH⁻NH3 is the base, and NH₄⁺ is the conjugate acid

5 0

3 years ago

The dopamine molecule has an intermediate hydrophobicity. Edit the dopamine molecule so that it is more hydrophobic.

yulyashka [42]

You should edit the dopamine molecule by tampering with its polar groups. Polar groups affect chemical's physical properties including hydrophobicity.

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4 years ago

The picture below shows an open field with wildflowers.

FromTheMoon [43]

Answer:

I think it's B

Explanation:

B is talking about the bees helping the flowers, so that isn't helping the bees but the flowers instead

8 0

3 years ago

Calculate the volume in liters of a M potassium dichromate solution that contains of potassium dichromate . Round your answer to

maksim [4K]

The question is incomplete, here is the complete question:

Calculate the volume in liters of a 0.13 M potassium dichromate solution that contains 200. g of potassium dichromate . Round your answer to 2 significant digits.

<u>Answer:</u> The volume of solution is 5.2 L

<u>Explanation:</u>

To calculate the volume of solution, we use the equation used to calculate the molarity of solution:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}}{\text{Molar mass of solute}\times \text{Volume of solution (in L)}}$

We are given:

Molarity of solution = 0.13 M

Given mass of potassium dichromate = 200. g

Molar mass of potassium dichromate = 294.15 g/mol

Putting values in above equation, we get:

$0.13M=\frac{200}{294.15\times \text{Volume of solution}}\\\\\text{Volume of solution}=\frac{200}{294.15\times 0.13}=5.23L$

Hence, the volume of solution is 5.2 L

3 0

3 years ago