Which of the following is an example of a chemical reaction? *
Freezing water into ice
Breaking a glass
Lighting a match
Dissolving salt in water

Noble gases are the most reactive elements on the periodic table. a. true b. false

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?