05/13/20

pH of methylamine solution.
CH3NH2 (aq) + H2O (l) ßà CH3NH3+ (aq) + OH- (aq)          Kb = 4.00 x 10-4 a.) Determine the [OH-] for 0.25 M methylamine, CH3NH2.b.) Determine the pH of the methylamine solution.
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07/18/15

find the derivative of y = 1/3x -4
I dont understand the concept
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07/17/15

Comparing Solvent Effects on SN1 and SN2 Reactions
The major product of the synthesis, 3-methoxyheptane, is produced by an SN2 mechanism. Complete the reaction mechanism by adding curved arrows showing electron flow and the final product, including... more
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07/09/15

can I change 21x34 to 20x35? why or why not?
can I change 21x34 to 20x35? why or why not?
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07/09/15

Physics: Entropy Change
If a 0.06247 kg ice cube initially at 0.00 C is allowed to melt in a Styrofoam cup holding 0.497 kg of water at 10.0 C , what is the total entropy change for this process?
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07/09/15

How to find ?G°rxn when given only some of the ?G°f amounts?
I am not sure how to calculate ?G°rxn if I am not given all of the values for ?G°f. Can someone explain? I thought you     The question I am trying to answer --   Calculate the ?G°rxn using... more
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