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test 1 review

Authored by Hannah Payne

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University

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test 1 review
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39 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what are the intermolecular interactions that are strengthened by the presence of WATER?

Hydrophobic and Van der Waals

Hydrophobic and Peptide bonds

Peptide and Van der Waals

Peptide bonds and Polar

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which acid could be used to buffer a solution that has a pH of 2.3

6.8

4.3

1.0

1.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False: Like dissolves like is a good rule of thumb to predict the solubility of substances.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The lower the boiling point, the ___ the intermolecular forces.

stronger
weaker

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Molecule A has a pka of 8 and Molecule B has a pka of 18. Which will be deprotonated first?

Molecule A

Molecule B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The answer choices show different acids with their pka values. Which is the WEAKEST acid out of the choices below?

pka 11

pka 2

pka 4

pka 6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the buffer of a solution has a pka of 5.56, what species dominates at a pH of 5.56.

base

acid

neither

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