Consider the following reaction

$$2Al+6HBr\ \rightarrow\ 2AlBr_3+3H_2$$

When 3.22 moles of Al reacts with 4.96 moles of HBr, what is the excess reactant and how much of it is remaining?  (all answers must be in moles with correct chemical formula. ex 9.99 mol XX)

(a)  

Consider the following reaction

$$2Al+6HBr\ \rightarrow\ 2AlBr_3+3H_2$$

When 3.22 moles of Al reacts with 4.96 moles of HBr, how many moles of H₂ are formed? (all answers must be in moles with correct chemical formula. ex 9.99 mol XX)

(a)  

Consider the following reaction

$$3Si+2N_2\rightarrow Si_3N_4$$

When 21.44 moles of Si reacts with 17.62 moles of N2, what is the limiting reactant? (answer must be correct chemical formula)

(a)  

Consider the following reaction

$$3Si+2N_2\rightarrow Si_3N_4$$

When 21.44 moles of Si reacts with 17.62 moles of N2,what is the excess reactant and how much of it is remaining?  (all answers must be in moles with correct chemical formula. ex 9.99 mol XX)

(a)  

Consider the following reaction

$$3Si+2N_2\rightarrow Si_3N_4$$

When 21.44 moles of Si reacts with 17.62 moles of N2,  how many moles of Si₃N₄ are formed? what is the excess reactant and how much of it is remaining?  (all answers must be in moles with correct chemical formula. ex 9.99 mol XX)

(a)  

Consider the following reaction

$$2CuCl_2+4KI\rightarrow2CuI+4KCl+I_2$$

When 0.56 moles of CuCl2 reacts with 0.64 moles of KI, what is the limiting reactant? (answer must be correct chemical formula)

(a)  

Consider the following reaction

$$2CuCl_2+4KI\rightarrow2CuI+4KCl+I_2$$

When 0.56 moles of CuCl2 reacts with 0.64 moles of KI, what is the excess reactant and how much of it is remaining?  (all answers must be in moles with correct chemical formula. ex 9.99 mol XX)

(a)  

Consider the following reaction

$$2CuCl_2+4KI\rightarrow2CuI+4KCl+I_2$$

When 0.56 moles of CuCl2 reacts with 0.64 moles of KI, how many moles of I₂ are formed ? (all answers must be in moles with correct chemical formula. ex 9.99 mol XX)

(a)  

 If, in the reaction below 32 grams of C₂H₆ produces 44 grams of CO₂, what is the % yield?

$$2C_2H_6+7O_2\rightarrow4CO_2+6H_2O$$

(a)  

If, in the reaction below, 80 grams of Cl₂ produces 38 grams of CCl₄ what is the % yield?

$$CS_2+3Cl_2\rightarrow CCl_4+S_2Cl_2$$

(a)  

If, in the reaction below, 49 grams of Fe₃O₄ produces a 78.25 % yield of Fe. How many grams are produced? All answers must be in grams (g) with correct chemical formula. (ex 9.99 mol XX)

$$Fe_2O_3+4H_2\rightarrow3Fe+4H_2O$$

(a)