Which of the following is not a valid set of quantum numbers? n = 2, l = 1, m = 0 n = 1, l = 0, m = 0 n = 3, l = 3, m = 3

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.

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

Who examines and coordinates the cleanup of polluted sites?