X, Y and Z are three hydrocarbons. What do compounds X, Y and Z have in common? (1) They are all alkenes. (2)They are all part of the same homologous series. (3)They all have the same boiling point.

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.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

If a computer chip switches off -on-off in 0.015 us, what is the switching time in nanoseconds?