?32EHydrogen, the Noble Gases, and the Halogens (Sections

Fundamentals of Physics 10
An old streetcar rounds a flat corner of radius 9.1 m, at 16 km/h. What angle with the vertical will be made by the loosely hanging hand straps?

Chemistry: The Central Science 13
Calculate the formal charge on the indicated atom in each of the following molecules or ions: (a) the central oxygen atom in O3, (b) phosphorus in PF6 -, (c) nitrogen in NO2, (d) iodine in ICl3, (e) chlorine in HClO4 (hydrogen is bonded to O).

Anatomy & Physiology 1
A substance dissociates into K+ and Cl in solution. The substance is a(n) ________. a. acid b. base c. salt d. buffer

Essential University Physics 3
Explain why measurement standards based on laboratory procedures are preferable to those based on specific objects such as the international prototype kilogram.

Genetics: Analysis and Principles 6
What is an operon? a. A site in the DNA where a regulatory protein binds b. A group of genes under the control of a single promoter c. An mRNA that encodes several genes d. All of the above

Psychology 5
What is the process by which people come to understand others? a. social influence b. reciprocal altruism c. social cognition d. cognitive dissonance

Human Biology 11
Define the difference between (a) gene and allele, (b) dominant allele and recessive allele, (c) homozygote and heterozygote, and (d) genotype and phenotype.

Principles of Economics 9
In competitive markets, farmers adopt new technologies that will eventually reduce their revenue because a. each farmer is a price taker. b. farmers are short-sighted. c. regulation requires the use of best practices. d. consumers pressure farmers to lower prices.