Show that the set of odd integers is countable.

Chemistry: Atoms First 1
Problem 157AP Which of the following compounds is most likely to exist as a liquid at room temperature: ethane (C2H6), hydrazine (N2H4), fluoromethane (CH3F)? Explain

Biology 8
Cellular respiration uses glucose and oxygen, which have high levels offree energy, and releases CO2 and water, which have low levels of free energy. Is respiration spontaneous or not? Is it exergonic or endergonic? \Vhat happens to the energy released from glucose?

Physics, 9
A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 70.3-kg water-skier has an initial speed of 6.10 m/s. Later, the speed increases to 11.3 m/s. Determine the work done by the net external force acting on the skier.

Probability and Statistical Inference 9
For each of the following functions, (i) find the constant c so that f(x) is a pdf of a random variable X, (ii) find the cdf, F(x) = P(X x), (iii) sketch graphs of the pdf f(x) and the cdf F(x), and (iv) find and 2: (a) f(x) = 4xc, 0 x 1. (b) f(x) = c x, 0 x 4. (c) f(x) = c/x3/4, 0 < x < 1.

Anatomy & Physiology 1
CH4 is methane. This compound is ________. a. inorganic b. organic c. reactive d. a crystal

Principles of Economics 1
Is it true that the four-firm concentration ratio puts more emphasis on one or two very large firms, while the Herfindahl-Hirshman Index puts more emphasis on all the firms in the entire market? Explain briefly.

Behavior Modification: Principles and Procedures 6
What does the abbreviation CER stand for? ________

Urban Economics 8
Specialized Services in Large Cities Complete the statement: Large urban areas provide specialized cultural, legal, edical, fi nancial, and other services that are not available in small urban areas because these specialized services are characterized by. . . .