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John Rawls
  • Member for 5 years, 10 months
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5 votes
1 answer
2k views

On a periodic table it shows that Zn and Cd and Hg all have 0 electron affinity. Why is that?

3 votes
1 answer
3k views

Calculations for making a buffer from a weak base and strong acid

2 votes
1 answer
728 views

Why wouldn't you see blue or purple when you heat metal and only either red or yellow?

2 votes
2 answers
11k views

How to calculate what temperature change in entropy for the reaction equal to the change in entropy for the surroundings given Enthalpy and entropy

1 vote
1 answer
5k views

If a temperature of a reaction is raised from 300 to 320K, what factor will the reaction rate increase by [duplicate]

1 vote
1 answer
3k views

How to determine which combination of substances will give a buffered solution given target pH and Kb of each substances

1 vote
1 answer
132 views

How to find pH in the following titration/buffer problem given concentration of base and acid

1 vote
2 answers
908 views

Spectrometry in Chemistry & Flame Test Lab

0 votes
2 answers
45k views

How to determine which aqueous solution has the largest freezing point depression

0 votes
1 answer
1k views

Why is finding [H+] when given [OH-]= 3.57e-5 M wrong when I use -log[OH-]?

0 votes
1 answer
4k views

How to find the rate of effusion given rates?

0 votes
1 answer
169 views

working with ratios and RMS to find variables

0 votes
1 answer
831 views

Calculating Heat Release from Bomb calorimeter