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13 votes
3 answers
8k views

Why is the boiling point of pentane (36.1 °C) slightly higher than that of diethyl ether (34.6 °C)?

7 votes
2 answers
10k views

How does a reference electrode work in a three electrode system?

6 votes
0 answers
367 views

Why do catalysts have limited turnover numbers in practice?

3 votes
0 answers
1k views

Why would methanol and water be used for an aqueous layer in a separating funnel compared to just water?

3 votes
2 answers
22k views

Why do transition metals tend to form positive ions instead of negative ions?

2 votes
2 answers
3k views

Why do you need to convert copper (II) hydroxide to copper (II) oxide before converting to copper (II) sulfate?

2 votes
0 answers
360 views

Understanding how potentiometry works

2 votes
1 answer
324 views

How does cooling increase the selectivity of a reaction producing the kinetic vs the thermodynamic product?

2 votes
1 answer
512 views

Dispersion forces - what determines which molecule will have its electron cloud repelled?

1 vote
1 answer
1k views

Why does calculating formal charges help us draw correct Lewis structures?

1 vote
0 answers
771 views

Understanding observations of dissolving surfactants in methanol, water and hexane combinations

0 votes
1 answer
87 views

How can you change the proportions of reactants and products at equilibrium if Le Chatelier's principle is occurring?