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lawerence
Questions (13)
Pka of Ch3CO2H is 4.75
What is the equilibrium constant of the equation: Ch3Co2 (aq) + H20 (l) --> CH3CO2H(aq) + OH-(aq)
1 answer
608 views
Pt(s)| Fe^3+ (aq, .1M), Fe^2+ (aq, 1M)|| Fe^3+ (aq, ?M), Fe^2+ (aq, .001M)| Pt(s)
A.) Write anode reaction B.) Write cathode
0 answers
572 views
When Solid NaHCO3 was placed in a rigid container witha volume of 2.5L and heated to 160 degrees Celsius, the equilibrium was
1 answer
1,001 views
A drug is eliminated from the body in a first-order reaction with a rate constant of
7.6 x 10-3 / min at 37 oC. A patient is
1 answer
503 views
In 20 s, the concentration of NO2 decreases from 450 mM to 320 mM in the reaction
2 NO2 --> 2 NO + O2 (a) Determine the rate of
1 answer
731 views
Calculate the pH at the stoichiometric point of a titration of 25.0 mL of 0.120 M benzoic acid with 0.0230 M NaOH
1 answer
784 views
A 20.00 mL sample of a .1000M unknown acid solution is titrated with .1000M NaOH. Given that the acid is diprotic and its pKa's
5 answers
1,045 views
Calculate the molar concentrations of all phosphate species in H3PO4 in a solution with
pH = 2.25, given that the concentration
1 answer
1,497 views
Citric acid is a triprotic acid with Ka values of 3.14, 5.95, and 6.39. Estimate the pH of a 0.15 M solution of a monosodium
2 answers
689 views
if .5 g of a KHP containing unknown mixture requires 7 mL of NaOH to reach the endpoint of titration, what mass of the unknown
1 answer
523 views
What is the least amount of words that a short story can be. Is it suppose to be in past tense?
2 answers
510 views
whats the difference between figurative language and figure of speech? I have been look online for a while please tell me !!
0 answers
550 views
I am writing a synthesizing essay on invisible man by Ellison and on go tell it the mountain by James Baldwin. Please tell me
1 answer
579 views
Answers (1)
I have no clue how to start this any help would be appreciated!
