Enter your answer in the provided box. What is the emf of a cell consisting of a Pb2+ / Pb half-cell and a Pt / H+ / H2 half-cell if [Pb2+] = 0.96 M, [H+] = 0.017 M and PH2 = 1.0 atm ?
In: Chemistry
(a) If a titration of a different 10.0 mL sample requires 0.00500 moles of base, what mass of acetic acid is in the solution?
(b) Assuming the solution has a density of 1.0 g/mL, what is the mass % of acetic acid in the solution?
In: Chemistry
How much does the pH of 20.0 mL of a 0.75 M ammonium chloride (NH4Cl) solution change upon the addition of 15.0 mL of 1.0 M NaOH? Ka for ammonia (NH4+) 5.69 x 10-10?
In: Chemistry
Consider N2O4 (g) ---> 2 NO2 (g) . 3.00 X 10-2 mol of N2O4 are placed in a 1.0 L flask. AT equilibrium, 2.36 X 10-2 mol of N2O4 remain. What is the Keq for this reaction?
In: Chemistry
Given 100.0 ml of a buffer that is 0.50 M in HOCl and 0.40 M in NaOCl, what is the pH after 10.0 ml of 1.0 M NaOH has been added?
(Ka for HOCl =3.5 x 10-8)
In: Chemistry
Calculate the pH during the titration of 20.00 mL of 0.1000 M C6H5OH(aq) with 0.1000 M NaOH(aq) after 19.9 mL of the base have been added. Ka of phenol = 1.0 x 10-10.
In: Chemistry
Social Media and Business
Web technologies have been developed rapidly in the world. In this question you are asked to:
In: Computer Science
A project generates cash flows of $125k, $125k, and $95k. The required rate of return is 10%. The value of the project or “asset” is $288,317.
Given your answer, which ones are true.
IRR = 10%
PI = 1.0
NPV = 0
In: Finance
How many grams of copper be deposited at the cathode of an electrolysis cell if an electric current of 15 mA is applied for 1.0 h through an aqueous solution containing excess Cu2+ ions? Assume the process is 100°0 efficient.
In: Chemistry
legislature enacts a mileage-based user fee, which measures the miles driven in state as the base for taxation. If the driver chanes the amount of driving to pay less tax, the driver engaged in the following?
A. Tax Avoidance
B. Tax evasion
C.Tax Compliance
D. Tax efficiency
In: Finance