What are some examples of exchange reactions?

Which of the following is NOT true according to the kinetic theory of gases? a) molecules occupy negligible volume b) molecules move randomly in straight line paths c) molecules are NOT attracted to one another d) molecules lose energy after

Give the number of significant figures: 0.011 cm Significant figures:

Pepsin is an enzyme involved in the process of digestion. Its molar mass is about 3.50 * 104 g/mol. What is the osmotic pressure in mm Hg at 30°C of a 0.500-g sample of pepsin in 60.0 mL of an aqueous solution?

Which energy conversion occurs when a battery-operated alarm clock goes off? A) Electrical, chemical energy, sound energy B) Light energy, electrical energy, sound energy C) Potential energy, kinetic energy, potential energy D) Chemical energy,

In 1864, the Solvay process was developed to make soda ash. One step in the process is represented by the balanced equation below.

The density of HCN (hydrogen cyanide) gas at STP is 1.21g/L. What volume will 100.0g of HCN occupy at STP? A) 121 L B) 0.012 L C) 82.6 L D) none of the above

A 20.0 ml sample of 0.150 m ethylamine is titrated with 0.0981 m hcl. what is the ph after the addition of 5.0 ml of hcl? for ethylamine, pkb = 3.25

Some polymers are elastic because they are made of a. carbon. c. sugar and alcohol. b. phosphate ladders. d. cross-linked chains.

The hot converting blank is the layer of rock between the earths crust and core

Compare the compressibility of gases and liquids. Support your answer by describing the arrangement of particles in gases and liquids.