Search found 10 matches

by Tanphoteric
Sat Nov 09, 2019 3:17 pm
Forum: General Discussion & FAQ
Topic: Khan academy Question 1: practice acid.base equilibria
Replies: 1
Views: 357

Khan academy Question 1: practice acid.base equilibria

Suppose an equilibrated, dilute solution containing an acid HA with Ka = 10^-4 is measured to have pH = 6 and [HA] = 10^-8 M. What is [A-]? I get to use henderson hasselbach eq. but idk where the math to separate the log terms for A-/HA comes in? I know that it is simple math but I dont understand h...
by Tanphoteric
Sat Jun 29, 2019 2:27 pm
Forum: General Discussion & FAQ
Topic: Khan Academy Video: Bioenergetics #7
Replies: 1
Views: 656

Khan Academy Video: Bioenergetics #7

A reaction XXX is exergonic and endothermic under standard conditions; what must be true of XXX under these conditions?

* I do not understand this at all.

*wouldn't it be delta G = H - TdetaS
- = + - +
*then you get entropy decreasing NOT increasing?
by Tanphoteric
Fri Apr 19, 2019 2:42 pm
Forum: General Discussion & FAQ
Topic: Simple math question
Replies: 1
Views: 612

Simple math question

Hello, I am working on the thin lenses equation and actually understand that fairly decent. But the mental math and algebra is throwing me for a loop. How would you do this showing work? -1/8 - 1/24 = 1/i (image distance) the answer is -1/6cm but I cannot do the simple algebra. Please help me out! T...
by Tanphoteric
Tue Apr 16, 2019 11:28 am
Forum: Med Admissions and other non-MCAT discussion
Topic: MCAT Test Date (DO) medical school timeline
Replies: 5
Views: 1918

Re: MCAT Test Date (DO) medical school timeline

Dear NS Tutor Will,

Thank you so much! Is there any way that I could show you my google calendar study schedule and see if it makes sense?

Thank you,
Tanner
by Tanphoteric
Mon Apr 15, 2019 7:49 pm
Forum: Med Admissions and other non-MCAT discussion
Topic: MCAT Test Date (DO) medical school timeline
Replies: 5
Views: 1918

MCAT Test Date (DO) medical school timeline

Hello, I plan on taking the MCAT on June 29th. But, I feel somewhat inadequate in my prepping. My first NS FL was a 498 (126/123/123/126) and I am about to take my 2nd exam in 5 days. The problem is that I need at-least a 508 due to having a somewhat lower gpa (3.3). I have been seriously contemplat...
by Tanphoteric
Tue Mar 12, 2019 1:08 pm
Forum: Post Questions About Exams and QBank
Topic: Biology Qbank 8: number 14
Replies: 1
Views: 607

Biology Qbank 8: number 14

Why isn't 'III. Ccnd1' one of the transcription factors tested that appears to be necessary to MSC differentiation? Because in Figure two it DOES show a decrease in bglap 2.
by Tanphoteric
Wed Feb 20, 2019 1:10 pm
Forum: General Discussion & FAQ
Topic: Khan Academy Question 1: of Electrochemistry
Replies: 1
Views: 690

Khan Academy Question 1: of Electrochemistry

Hello, In Khan Academy Question 1: of Electrochemistry it states "Which of the following statements accurately describes the Nernst equation shown below?" *My question is that for one of the hints it states that.... "When you increase the concentration of the reactants, Q will decrease as the denomi...
by Tanphoteric
Wed Feb 20, 2019 12:57 pm
Forum: Post your questions here about any videos in the class
Topic: Content Videos answer choices
Replies: 2
Views: 902

Content Videos answer choices

Hello, In the content videos for Next Step, I cannot figure out how to see the actual answer to the question or just redo it and see what the answer is. Also, I have tried to redo the videos but, is there a better way to see the "actual" answer like question D was correct and so forth? Not just reas...