13–20, solve the given initial value problem.

Principles of General Chemistry 2
\(\mathrm{C}_{5} \mathrm{H}_{11} \mathrm{OH} ; \mathcal{M}=88.15 \mathrm{~g} / \mathrm{mol}\)) has nearly the same molar mass as hexane (\(\mathrm{C}_{6} \mathrm{H}_{14} ; \mathcal{M}=86.17 \mathrm{~g} / \mathrm{mol}\)) but is more than 12 times as viscous at \(20^{\circ} \mathrm{C}\). Explain.

Elementary Statistics: A Step By Step Approach 9
Multiple-Job Holders According to the government, 5.3% of those employed are multiple-job holders. In a random sample of 150 people who are employed, what is the probability that fewer than 10 hold multiple jobs? What is the probability that more than 50 are not multiple-job holders?

Fundamentals of Statistics 4
The Empirical Rule The following data represent the weights (in grams) of a random sample of 50 M&M plain candies. (a) Determine the sample standard deviation weight. Express your answer rounded to three decimal places. (b) On the basis of the histogram drawn in Section 3.1, Problem 27, comme

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?

Myers' Psychology for AP 2
How do neurotransmitters influence behavior, and how do drugs and other chemicals affect neurotransmission?

Campbell Biology: Concepts & Connections 7
A glucose molecule is to starch as (Explain your answer.) a. a steroid is to a lipid. b. a protein is to an amino acid. c. a nucleic acid is to a polypeptide. d. a nucleotide is to a nucleic acid. e. an amino acid is to a nucleic acid.

Urban Economics 8
Teacher Isoquant and Cost Minimization Consider a teacher isoquant, which shows different input combinations that produce a target quantity of output. Suppose the inputs for teacher productivity are graduate course work (on the horizontal axis, ranging from 0 to 10 years) and verbal ability (on the v

Advanced Engineering Mathematics 10
CAS PROJECT. Direction Fields. Discuss direction fields as follows. (a) Graph portions of the direction field of the ODE (2) (see Fig. 7), for instance, \(-5 \leqq x \leqq 2,-1 \leqq y \leqq 5\). Explain what you have gained by this enlargement of the portion of the field. (b) Using implicit di