Describe a common dry-cell battery. Include equations for the anode and cathode

Physics: Principles with Applications 6
(II) In a Rotor-ride at a carnival, people are rotated in a cylindrically walled room. (See Fig. 535.) The room radius is 4.6 m, and the rotation frequency is 0.50 revolutions per second when the floor drops out. What is the minimum coefficient of static friction so that the people will not slip down

Chemistry 11
A 0.054 M \(\mathrm{HNO_2}\) solution is titrated with a KOH solution. What is \([\mathrm H^+]\) at half way to the equivalence point?

Campbell Biology 10
Which of the following statements correctly describes any chemical reaction that has reached equilibrium? a. The concentrations of products and reactants are equal. b. The reaction is now irreversible. c. Both forward and reverse reactions have halted. d. The rates of the forward and reverse reaction

Inquiry into Physics 7
Two rectangular rugs are on display in a showroom. If one rug is twice as long as the other, does this necessarily mean that its area is also twice as large as that of the second? Explain.

Krugman's Economics for AP* 2
What are the four categories of resources? Give an example of a resource from each category.

Principles of Economics 6
Give an example of a government-created monopoly. Is creating this monopoly necessarily bad public policy? Explain.

Concepts of Biology 1
What is the main difference between dispersal and vicariance? a. One leads to allopatric speciation, whereas the other leads to sympatric speciation. b. One involves the movement of the organism, whereas the other involves a change in the environment. c. One depends on a genetic mutation occurring, w

Biology for AP Courses
Who was the first to clearly identify and name individual cells? a. Anton van Leeuwenhoek. b. Matthias Schleiden c. Robert Hooke d. Theodore Schwann