Flow can a single sheet of Polaroid film be used to show

Organic Chemistry 8
Problem 49SP When tert-butyl bromide is heated with an equal amount of ethanol in an inert solvent, one of the products is ethyl tert-butyl ether. (a) What happens to the reaction rate if the concentration of ethanol is doubled? (b) What happens to the rate if the concentration of tert-butyl bromid

Chemistry 11
Three apprentice tailors (\(X\), \(Y\), and \(Z\)) are assigned the task of measuring the seam of a pair of trousers. Each one makes three measurements. The results in inches are \(X\) (31.5, 31.6, 31.4); \(Y\) (32.8, 32.3, 32.7); \(Z\) (31.9, 32.2, 32.1). The true length is 32.0 in. Comment on the p

Chemistry 9
Glycerin, C3H8O3, is a nonvolatile liquid. What is the vapor pressure of a solution made by adding 164 g glycerin to 338 mL H2O at 39.88C? The vapor pressure of pure water at 39.88C is 54.74 torr and its density is 0.992 g/cm3 .

Chemistry 9
Assuming that the solubility of Ca3(PO4)2(s) is 1.6 3 1027 mol/L at 258C, calculate the Ksp for this salt. Ignore any potential reactions of the ions with water.

Urban Economics 8
Equalizing Educational Achievement The objective of the state of Egalitaria is to equalize educational achievement across schools, where school achievement equals the average test score of students in the school. Comment on the following: The state can realize its objective by equalizing expenditures

Biochemistry 9
(a) The major energy storage compound of animals is fats (except in muscles). Why would this be advantageous? (b) Why dont plants use fats/oils as their major energy storage

College Physics: Explore and Apply 2
(a) What is the ratio of the gravitational force that Earth exerts on the Sun in the winter and the force that it exerts in the summer? (b) How many correct answers can you give for part (a)? (Hint: Earths orbit is an ellipse with the Sun located at one of the foci of the ellipse. Think about the

College Physics: Explore and Apply 2
A monkey has a cart with a horizontal spring attached to it that she uses for different tricks. In one trick, the monkey sits on the vibrating cart. When the cart reaches its maximum displacement from equilibrium, the monkey picks up a 0.30-kg cantaloupe from a trainer. The mass of the monkey and the