What is the coefficient for water when the reaction is balanced in acidic solution?Cr2O72–(aq) + Mn2+(aq)Cr3+(aq) + MnO2(s)        unbalanced   Periodic Table and Datasheet

What is the standard electrode potential for a galvanic cell constructed in the appropriate way from these two half-cells?               Periodic Table and Datasheet

When MnO4- reacts to form Mn2+ in acidic solution, is manganese oxidized or reduced and how many electrons are gained or lost?

A 1.0 g sample of zinc sulfide, ZnS, is mixed with 100.0 mL of pure water and 100.0 mL of a 0.100 M sodium sulfide, Na2S, solution. Which set of diagrams best represents the two solutions?   The Ksp of ZnS is 3.0×10–23, and both solutions are saturated.  Water molecules and sodium ions are omitted for clarity. Periodic Table and Datasheet

What is the output for the following code?

Short Essay Question (10 points, about 150-250 words) How has NAFTA affected industry and agriculture in Mexico?

Short Answer Question (5 points, about 25 words) Explain the “Triple Alliance” and provide two reasons that it led South Korea to grow so slowly in the 1950s.             (1)             (2)             (3)

Short Answer Question (5 points, about 25 words) Explain how land reform was important for South Korea’s development.             (1)             (2)             (3)

Choose the appropriate therapeutic measures used in a pediculosis capitis infestation (Head Lice infestation). (Select all that apply.)

Which of the following statements about empirical studies is NOT true?