The density of a gas is 4.00 grams per liter. Find the mass of the gas in a balloon that has a volume of 500 milliliters.
A.
B.
C.
D.
(2 Points)
20 grams
2.0 grams
0.002 grams
2000 grams

Stage in which a star’s outer layers have started to cool and grow outward?

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

Rays from the sun are not considered matter true or false