Which of one of these are balanced? Please explain. I'll give brainliest. 1. 3 Al + 2 O2 = 3 Al2 O3
2. 4 NH3 + 5 O2 = 4 NO + 6 H2O
3. 2 Fe S + 7 O2 = Fe2 O3 + 2 SO2

0.09 moles of sodium sulfate in 12 ml of solution

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

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon