Sulfur and fluoride react to form sulfur hexafluoride. S(s) + 3F2(g) -> SF6 (g) If 50.0 g of sulfur reacts with 105.0 g of fluorine, how many grams of sulfur hexafluoride will form? Using the answer to part (a), what mass (in grams) of the excess reagent is left over at the end of the reaction?

N2(g) + 3H2(g) → 2NH3(g) What mass of ammonia (formula: NH3), in grams, would be produced if 525 mg of H2(g) was reacted with an excess of N2(g)?

The reaction 2 Sb + 3 Cl2 → 2 SbCl3 has an 88.3% yield. If 3.61 g of SbCl3 is desired, what mass of chlorine should be used? (Hint SbCl3FW = 228.1 and Cl2  FW = ‎70.9, think about stoichometry) (3 SF)

Consider the following unbalanced chemical equation. C5H12(/) + 02(g) → CO2(g) + H20(1) If 19.2 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H20 will be produced? g H20

1) 2 Cu + S> Cużs When copper is heated with sulfur, the reaction above takes place. If 100. g of Cu is heated with 50.0 g of sulfur, which is the limiting reactant? What is the theoretical yield of Cu>S?

Nitesh

2HCN(9) + 6H,0 2NH3 (9) 302(9) (g) ----- ----- + + 2CH4 (9) 4. How many Liters of HCN gas can form from the reaction of 1.56 x 10° grams of NH3, 4.5 moles of oxygen gas, and 12.2 Liters of methane gas? What mass of excess reactant remains?

2NH3(g) + 3CuO(s)-> N2(g) + 3Cu(s) + 3H2O(g) What is the theoretical yield of solid copper that should form when 18.1 g of NH3 is reacted with 90.4 g of CuO? If only 45.3 g of copper is actually collected, what is the percent yield?

1. Consider this reaction: P4 + 6 Cl2 → 4 PC13 (a) How many moles of PC13 can be made from 16.5 mol P4? (b) How many grams of PC13 can be made from 42.4 g of P4?

For the following reaction, 15.9 grams of glucose (C6H1206) are allowed to react with 12.4 grams of oxygen gas > carbon dioxide(g) + water( glucose (CH1206(s) + oxygen(g) What is the maximum amount of carbon dioxide that can be formed? grams What is the FORMULA for the limiting reagent? What amount of the excess reagent remains after the reaction is complete? grams