Select the correct answer.
what does one mole of h2o correspond to?
a. 6.02 x 10^23 molecules of h20
b. 6.02 x 10^23 atoms of h and 6.02 x 10^23 atoms of o
c. 6.02 x 10^23 atoms of o
d. 6.02 x 10^23 atoms of h
e. 6.02 x 10^23 x 2 atoms of h

Forests and meadows are often cut down to make way for farms or large number of new homes. what are some of the elements of ecosystems that are lost when plants in these areas are removed?

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

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