Search found 3 matches

by Hannah_Johnson1L
Sat Dec 03, 2016 6:01 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Homework 11.3
Replies: 1
Views: 266

Homework 11.3

This might be a silly question, but do equilibrium equations need to be balanced before K is found? Part b of 11.3 doesn't have the same amount of N on each side, but the answer in the work book doesn't have any altered coefficients so it doesn't seem like it needed to be balanced. Thanks in advance!
by Hannah_Johnson1L
Sun Oct 23, 2016 11:53 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8039
Views: 1410525

Re: Post All Chemistry Jokes Here

Q: What did the scientist say when he found 2 isotopes of helium?
A: HeHe
by Hannah_Johnson1L
Sun Oct 02, 2016 7:54 pm
Forum: Significant Figures
Topic: Significant Figures in E21
Replies: 2
Views: 434

Significant Figures in E21

For E21, the solutions manual writes the amount of moles of HF as 1.30x10^-3. I'm confused as to why 3 sig figs were used here (1.30) instead of 4 sig figs (1.295), because the two numbers that we begin with to reach this answer both have 4 sig figs.

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