The second-order decomposition of hi has a rate constant of 1. 80 x 10^-3 m^-1s^-1. How much hi remains after 27. 3 s if the initial concentration of hi is 4. 78 m?.

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