Consider two cells, the first with al and ag electrodes and the second with zn and ni electrodes, each in 1. 00 m solutions of their ions. If connected as voltaic cells in series, which two metals are plated, and what is the total potential, ∘ ?.

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.

In john watson's "little albert' experiment, what was the ucs? select one: a. white rat b. loud noise c. little boy d. anything white and furry