Practice 14.2: predict the equilibrium constant for the first reaction given the equilibrium constants for the second and third reactions: (ans: 1.4 x 102)
co2 (g) + 3 h2 (g)-> < -ch3oh (g) + h2o (g) k1 = ?
co (g) + h2o (g)-> < - co2 (g) + h2 (g) k2 = 1.0 x 105
co (g) + 2 h2 (g)-> < -ch3oh (g) k3 = 1.4 x 107

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.