can someone please help me with these chemistry problem. Thanks.

Fe2O3+3C–>2 Fe+3CO

How many grams of carbon are needed to completely react with 125g of Fe2O3?

3Ca+2AlCl3–>3CaCl2+2Al

If you react 100 grams of AlCl3 with excess calcium, how many grams of CaCl2 are produced?

C5H12+8O2–>5CO2+6H2O

How many grams of CO2 will form from the combustion 320.0 grams of C5H12 with excess oxygen?

4FES2+11O2–>2Fe2O3+8SO2

Given 75.0 grams of FeS2, how many grams of SO2 are produced?

Balance Equation First and than calculate answer.

_HCl+_Cu–>_CuCl2+_H2

How many grams of H2 are produced when 67.12g of HCl are reacted with copper?

_Mg(OH)2–>_MgO+_H2O

98.03 g of Mg(OH)2 are decomposed in the above reaction. How many grams of water are produced.

_Cu+-AgNO3–>_AG+_Cu(NO3)2

How many grams of Ag are produced when 36.92 grams of Cu displaces silver from silver nitrate in the above reaction?