A 35.00 mL sample of 0.0877 M HCl is titrated with 0.121 M N…

A 35.00 mL sample of 0.0877 M HCl is titrated with 0.121 M NaOH. Determine the pH of the solution after addition of 20.00 mL of NaOH To receive full credit (2 pts for answer and 2 pts for showing work), submit a picture of your work to the Final Exam Required Work & Partial Credit  assignment AFTER SUBMITTING COMPLETED FINAL

Which statements are true?  a) A voltaic cell generates elec…

Which statements are true?  a) A voltaic cell generates electrical energy from a spontaneous oxidation-reduction reaction.b) The anode is the electrode at which reduction occurs.c) The electrons move from the cathode to the anode.d) Cations are always positively charged and move toward the cathode.  

Use the Nernst equation to calculate the cell potential for…

Use the Nernst equation to calculate the cell potential for the following cell: Zr|Zr4+, 0.0010M||Zn2+, 1.0M|Zn To receive full credit (2 pts for answer and 2 pts for showing work), submit a picture of your work to the Final Exam Required Work & Partial Credit  assignment AFTER SUBMITTING COMPLETED FINAL

Many electronic calculators use rechargeable nickel–cadmium…

Many electronic calculators use rechargeable nickel–cadmium batteries. The overall equation for the spontaneous reaction in these cells is: Cd(s) +NiO2(s) + H2O(l) → Cd(OH)2(s) + Ni(OH)2(s) What are the oxidation states of Cd in Cd and of Ni in NiO2 and Ni(OH)2?