The weights of edges in a graph are shown in the table below.  Apply the nearest neighbor algorithm to the graph starting at vertex A.  Give your answer as a list of vertices, starting and ending at vertex A. A B C D E F A —— 58 57 1 28 16 B 58 —— 53 4 2 11 C 57 53 —— 48 38 6 D 1 4 48 —— 30 17 E 28 2 38 30 —— 5 F 16 11 6 17 5 —— _______

What is the degree of vertex F? _______

Which formula represents an unsaturated hydrocarbon?

Place the number of the definition that best matches the term in the space provided.   (1 mark each)

Given that Ksp for AgIO3 (silver iodate) is 4.0 x 10-8, the concentration of Ag+ in a saturated solution is:

For the reaction Cl2(l) + 2Na(s) ↔  2NaCl(s), the rate of the forward reaction could be increased most by:

Knowing that the concentration of silver ions, Ag+, in a solution of silver chromate, Ag2CrO4, is 1.5 x 10-4 M, calculate the solubility product of silver chromate.   (4 marks)

State the type of bond that forms between the following elements:   (1 mark each) a) N and O b) Ca and Br c) C and F

Which one of the following pairs of substances will not form a precipitate in a solution?

A chemist dissolves 45 g of acetic acid in enough water to prepare two litres of solution. a) What is the molar concentration of this acetic acid solution?     (3 marks) b) What is the concentration of H+ ions?    (3 marks)