Solution: In Exercises 47–58, say whether the function is

Introductory Chemistry 5
Write a neutralization reaction for each acid and base pair. (a) HF(aq) and \(\mathrm{Ba(OH)_2}\)(aq) (b) \(\mathrm{HClO_4}\)(aq) and NaOH(aq) (c) HBr(aq) and \(\mathrm{Ca(OH_2)}\)(aq) (d) HCl(aq) and KOH(aq)

Physics with MasteringPhysics 4
IP Suppose the pendulum bob in Figure 820 has a mass of 0.33 kg and is moving to the right at point B with a speed of 2.4 m/s. Air resistance is negligible. (a) What is the change in the systems gravitational potential energy when the bob reaches point A? (b) What is the speed of the bob at point A?

Fundamentals of Physics 10
Electron in a well. Figure 24- 65 shows electric potential V along an x axis. The scale of the vertical axis is set by Vs 8.0 V. An electron is to be released at x ! 4.5 cm with initial kinetic energy 3.00 eV. (a) If it is initially moving in the negative direction of the axis, does it reach a turnin

Inquiry into Physics 7
A high-performance sports car can go from 0 to 100 mph (44.7 m/s) in 7.9 s. (a) What is the cars average acceleration? (b) The same car can come to a complete stop from 30 m/s in 3.2 s. What is its average acceleration?

Principles of Economics 6
What are your shoeleather costs of going to the bank? How might you measure these costs in dollars? How do you think the shoeleather costs of your college president differ from your own?

The Practice of Statistics 5
How are schools doing? Refer to Exercise 28. Do the data provide convincing evidence of a difference in the distributions of opinions about how high schools are doing among black, Hispanic, and white parents? (a) State appropriate null and alternative hypotheses for a significance test to help answer

Chemistry 4
Write the ground-state electron configurations for the following elements: Ge, Fe, Zn, Ni, W, Tl.

Principles of Economics 9
A person works more hours at a higher wage if the substitution effect a. equals zero. b. equals the income effect. c. is smaller than the income effect. d. is larger than the income effect.