The reaction of acetylene with which of the following gives CH2Br-CHBrCl 1. HCL, then HBr 2. H2 then Br2 3. HCL then Br2. 4. Cl2 then HBr. 5. Cl2 then Br2

Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid

Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d