The weak base amphetamine, C6H5CH2CH(CH3)NH2, is a stimulant used to treat narcolepsy and attention deficit disorder. What is the pH of 0.075 M amphetamine (Kb=6.3x10-5)?

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback

The ammonia molecule in the diagram has the observed bond orientation because