Which of the following best describes light refraction?
A. When a light wave travels in a straight line
and is blocked.
B. When a light wave enters a different medium,
slows down, and appears distorted.
C. When a light wave is completely absorbed by a
material.

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

Which of these conditions most likely produces an unstable isotope?

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