Logs sometimes float vertically in a lake because one end

Principles of General Chemistry 2
Problem 49P Strike anywhere matches contain the compound tetraphosphorus trisulfide, which bums to form tetraphosphorus decaoxide and sulfur dioxide gas. How many milliliters of sulfur dioxide, measured at 725 torr and 32C, can be produced from burning 0.800 g of tetraphosphorus trisulfide?

Chemistry 11
The men's world record for running a mile outdoors (as of 1999) is 3 min 43.13 s. At this rate, how long would it take to run a 1500-m race? (1 mi = 1609 m.)

Myers' Psychology for AP 2
Which division of the nervous system produces the startle response? a. Parasympathetic b. Central c. Somatic d. Sympathetic e. Autonomic

Myers' Psychology for AP 2
Neurologically, what is the function of pruning? a. Pruning creates new connections between synapses through repeated experiences. b. Pruning reduces the negative effects of teratogens by eliminating neural waste. c. Pruning increases the weight of the brain through enriching experiences. d. Pruning

Numerical Analysis 9
The following four methods are proposed to compute 211/3. Rank them in order, based on their apparent speed of convergence, assuming p0 = 1. a. pn = 20pn1 + 21/p2 n1 21 b. pn = pn1 p3 n1 21 3p2 n1 c. pn = pn1 p4 n1 21pn1 p2 n1 21 d. pn =  21 pn1 1/2

Principles of Economics 6
The residents of Vegopia spend all of their income on cauliflower, broccoli, and carrots. In 2010, they buy 100 heads of cauliflower for $200, 50 bunches of broccoli for $75, and 500 carrots for $50. In 2011, they buy 75 heads of cauliflower for $225,80 bunches of broccoli for $120, and 500 carrots f

Plant Systematics 3
Describe the example of Caytonia and glossopterids as putative angiosperm progenitors, citing evidence for or against this idea

Introductory Chemistry: A Foundation 9
Explain, in terms of the kinetic molecular theory, how an increase in the temperature of a gas confined to a rigid container causes an increase in the pressure of the gas.