Which combination of coefficients correctly balances the chemical equation below?
_Fe2O3+ _H2 - _Fe +_H2O
Bonus Question: What kind of reaction is this?
1,3,2,3 (single displacement)
1,2,3,4, (decomposition)
1,3,3,2 (single displacement)
1,3,2,3 (double displacement)

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __