a steel tank of oxygen has a volume of 2.00 l. if all of the oxygen is transferred to a new tank with a volume of 5.50 l, the pressure is measured to be 6.75 atm. what is the original pressure of the oxygen gas? assume constant temperature

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

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