How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7 g Fe? Fe2O3(s) + 3CO(g) 3CO2(g) + 2Fe(s)

When 13.0 g of calcium metal is reacted with water, 5.00 g of calcium hydroxide is produced.  Using the following balanced equation, calculate the percent yield for the reaction? Ca(s) + 2 H2O(l)  ®  Ca(OH)2(aq) + H2(g)

According to the following balanced equation, what mass (in g) of MgO can be made from 7.5 g of 02? 2Mg (s) + O2 (g) 2MGO (s)

Based on the balanced reaction: 2 NO + 5 H2→ 2 NH3 + 2 H2O what is the theoretical yield (in grams) of NH3 that could be made by the reaction of (2.840x10^2) g of NO and (7.57x10^1) g of H2?

Determine the grams of sodium hydroxide produced from the reaction of 15.0 g of O3 with 30.0 g NaI and 30.0 g water. O3 + 2NaI + H2O ⟶ O2 + 2NaOH + I2

How many grams of iron need to react to produce 91.4 g iron(III) oxide according to the balanced reaction below? 4 Fe (s) + 3O2 (g) 2 Fe2O3 (s)

From the list of reactions below, pick out the combustion reactions?        1) 2C2H6(g) + 7O2 (g) →  4CO2(g) + 6H2Ol)           2) MgO(s) + CO2 (g) → MgCO3(s)           3) ZnCO3(s) →  ZnO (s) + CO2 (g)           4) 2CH3OH(l) + 3O2 (g) →  2CO2(g) + 4H2O(l)     a 1, 2, 3, and 4   b 3 and 4   c 2, 3, and 4   d 1, 3, and 4   e 1 and 4

2Fe2O3 + 3C → 3CO2 + 4Fe D. How many grams of CO2 are produced from 11.42g Fe2O3?

(Fe=55.81g/mol; O=16.00g/mol; C=12.01g/mol) Iron ore is converted to iron metal in a reaction with carbon. Fe2O3(s) + C(s) → Fe(s) + CO2(g) If 21.12 mol of Fe2O3(s) is used, what amount of C(s) is needed?

What mass of Cu(IO3)2 can be formed from 0.650 g of CuSO4 · 5H2O? What mass of KIO3 is needed to convert the copper in 0.2750 g of CUSO4 - 5H2O to Cu(IO3)2?