Homework Help: Physics

Posted by james on Thursday, October 1, 2009 at 12:30pm.

I just wanted to clarify anwsers.
Question
23. Nucleotides contain phosphate groups bonded to the..
A) C3' or c5' atoms
B). C3 or C3' atoms
C). N1 or N9 Atoms
D). C3 or N9 atoms
E). C3 or C5 atoms
The anwser that I chosen in A.
QUESTION 19. When the hydrogen ion concentration of a solution increases,
A). The hydroxide ion concentration increases and the pH increases
B). The hydroxide ion concentration decreases and the pH increases.
C). The hydroxide ion concentration decreases and the pH decreases
D). The hydroxide ion concentration increases and the pH decreases.
I picked B?
Please help

Chemistry Help please! - MathMate, Thursday, October 1, 2009 at 6:08pm
Thanks.
Physics - james, Thursday, October 1, 2009 at 10:16pm
thanks for?
Physics - MathMate, Thursday, October 1, 2009 at 11:32pm
For the chemistry teacher who will answer your questoin.
For the second question, I think you choice B is correct.
Physics - Anonymous, Friday, October 2, 2009 at 9:42am
so do you think the first one is wrong?
Physics - MathMate, Friday, October 2, 2009 at 11:21am
Since so far no chemistry teacher has taken notice of this post, could you repost both questions, but make sure you put "Chemistry-repost" as the subject?
Thank you.

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