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polkadot
Questions and answers by visitors named
polkadot
Questions (5)
Hello! Please correct me if I'm wrong.
For the following compound, predict whether the solution is acidic, basic, or neutral and
2 answers
621 views
Hello! Can someone please tell me if I am wrong here?
For a reaction where rate = k (A)(B)^2, what factor will NOT change k? a)
1 answer
341 views
Can someone please explain how to do this question?
A 0.057M solution of a weak acid has a pH of 4.93. Determine the ionization
1 answer
478 views
Can someone please help me by explaining and correcting me?
1) A 0.057M solution of a weak acid has a pH of 4.93. Determine the
4 answers
1,081 views
Posted by polkadot on Friday, April 8, 2011 at 8:46pm.
Can someone please help me by explaining and correcting me? 1) A 0.057M
3 answers
508 views
Answers (3)
I confused the rate constant with Keq, silly me. k=Ae^(-Ea/RT) looking at that equation and given my options... the answer would be D, none of these. I believe that's right, I understand this much better now, thank you.
I think I got the reasoning for 2), it is acidic because it is the salt made from a strong acid and a weak base, therefore it is A (salt of weak base), not C (the salt is neutral itself, but slightly acidic in a solution). I believe this is the right
It's actually the end of my first year doing this topic hahah x) for 1) i got 2.4 x 10^-9 for the Ka value. I understand what i over looked, thank you. 2) Well i just get very confused when especially with salts, acids, and bases. NH4Cl(aq) dissociates
