Professor X used 52g Fe and 44g of O2 to create some rust (Fe2O3). He produced 69.92g of Fe2O3.

Find the percent yield of his reaction given:

4Fe + 3O2 —> 2Fe2O3

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

Type the letter that represents the correct location for each particle type below.