How many grams of Iron (III) oxide (Fe2O3) can be produced from 25.0 g of iron and an excess of oxygen?
4 Fe + 02 - 2 Fe0g
moles of Fe
moles of Fe,03
grams of Fe2O3

Find the mass in grams of 1.37x1020 particles of h3po4

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this