Which of the following is true about Earth's supplies of freshwater? a. Most liquid freshwater is stored in rivers and lakes.
b. Groundwater is a significant reservoir of liquid freshwater.
c. Liquid freshwater is about half of all the water on Earth.
d. None of the above.

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