3 years ago

Why do you think polar aprotic solvents increase the rate of an sn2 reaction

1 answer:

5 0

Polar protic solvents actually speed up the rate of the unimolecular substitution reaction because the large dipole moment of the solvent helps to stabilize the transition state. The highly positive and highly negative parts interact with the substrate to lower the energy of the transition state.

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What is the molarity of 50.84 g of Na2CO3 dissolved in 0.400 L solution?

borishaifa [10]

Answer:

1.20 M

Explanation:

Convert grams of Na₂CO₃ to moles. (50.84 g)/(105.99 g/mol) = 0.4797 mol

Molarity is (moles of solute)/(liters of solvent) = (0.4797 mol)/(0.400 L) = 1.20 M

4 0

3 years ago

CORO Name three ways that scientists can ensure their results are reliable

Leya [2.2K]

Answer:

Reliability. When a scientist repeats an experiment with a different group of people or a different batch of the same chemicals and gets very similar results then those results are said to be reliable. Reliability is measured by a percentage – if you get exactly the same results every time then they are 100% reliable.

Explanation:

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3 years ago

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prisoha [69]

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3 years ago

Which of the following chemical symbols represents the element silver?

notsponge [240]

Silver is Ag from the latin Argentum

Lead is Pb from the latin Plumbum