Search found 29 matches

by Amber9
Wed Jul 24, 2019 11:50 am
Forum: Post Questions About Exams and QBank
Topic: NS FL3 CP Q7
Replies: 1
Views: 422

NS FL3 CP Q7

I thought the answer was 1300 kJ/mol (oxygen is in group 6). Can you explain how no spin pairing changes the IE value?

Thank you!
by Amber9
Wed Jul 24, 2019 11:08 am
Forum: Post Questions About Exams and QBank
Topic: NS FL3 CP Q39
Replies: 1
Views: 413

NS FL3 CP Q39

How do we know which enzyme is breaking the 1,6 linkages or the 1,4 linkages? And how does this relate to the current produced? I don't understand the reasoning behind no current being produced when only the 1,6 linkages are broken.

Thanks!
by Amber9
Tue Jul 23, 2019 8:29 pm
Forum: Post Questions About Exams and QBank
Topic: NS FL3 PS Q21
Replies: 1
Views: 440

NS FL3 PS Q21

Can you clarify how option II increases the effect observed in the study? I thought it would lessened the effect because it is more of a moderating factor.
by Amber9
Tue Jul 23, 2019 7:36 pm
Forum: Post Questions About Exams and QBank
Topic: NS FL3 BB Q33 and 35
Replies: 1
Views: 497

NS FL3 BB Q33 and 35

Q33 I thought the answer was D because the ATP production was reduced by 67% and that would involve oxidative phosphorylation. I'm not sure about what it means that there is not enough oligomycin molecules. Q35 I thought if the parent chain was 2 carbons shorter forming the acetyl-CoA molecule then ...
by Amber9
Tue Jul 23, 2019 6:00 pm
Forum: Post Questions About Exams and QBank
Topic: NS FL3 BB Q26
Replies: 1
Views: 444

NS FL3 BB Q26

I'm not sure why the solutions uses equation 1. I thought G<0 means the reaction is spontaneous which can increase the interaction energy.

Thanks!
by Amber9
Tue Jul 23, 2019 10:52 am
Forum: Post Questions About Exams and QBank
Topic: NS FL3 CP Q32
Replies: 1
Views: 403

NS FL3 CP Q32

Can you clarify when different pH equations are used: pH=-log[H+], Ka = [H+][A-]/[HA], pKa = pH + [H+][A-]/[HA]. I used pH=-log[H+] thinking the H+ concentration is the same as ASA. But Ka = [H+][A-]/[HA] was used in the solutions. I was wondering why pKa = pH + [H+][A-]/[HA] was not used when pKa i...
by Amber9
Tue Jul 23, 2019 10:30 am
Forum: Post Questions About Exams and QBank
Topic: NS FL3 CP Q31
Replies: 1
Views: 294

NS FL3 CP Q31

Why does HF dissociate incompletely in water? I was trying to answer this question using periodic table trends (electronegativity). Can you clarify the concepts I need to understand to answer this question?

Thanks!
by Amber9
Tue Jul 23, 2019 10:27 am
Forum: Post Questions About Exams and QBank
Topic: NS FL3 CP Q20
Replies: 1
Views: 430

NS FL3 CP Q20

Can you clarify how the ATP to ADP ratio is used as intrinsic normalization?

Thanks!
by Amber9
Sun Jul 14, 2019 8:21 pm
Forum: Post Questions About Exams and QBank
Topic: NS FL2 CARS passage 1
Replies: 1
Views: 458

NS FL2 CARS passage 1

Hi, Q2 I thought the internet promoted radicalization on a mass scale and answer C looked the closest to that passage idea. Can I get some clarification on where the author mentions the idea of human tendency in the passage? Q3 the answer states adhering strictly whereas the author mentions rejectin...
by Amber9
Sun Jul 14, 2019 6:44 pm
Forum: Post Questions About Exams and QBank
Topic: NS FL2 P/S passage 7
Replies: 1
Views: 363

NS FL2 P/S passage 7

Hi,

Q35 Can I get clarification on how to find the US and CS in study 2
Q36 is this due to the Hawthrone effect. I'm not sure why it affects the group given the free lunch

Thanks!