Gasoline is the common name for Octane which has the chemical formula of C8H12. How many carbon atoms are in three molecules of octane 3C8H18 Question 9 options: 3 24 18 Impossible to determine with the information given. 8

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

Find the mass, in grams, of 5.00*10^23 molecules of f2

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