When 84.8 g of iron(III) oxide reacts with an excess of carbon monoxide, iron is produced.
Fe, O3(s) + 3CO(g) →2Fe(s) + 3C02(g)
What is the theoretical yield of iron?

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

How many moles are in 43.9 l of oxygen