What is the coefficient in front of the AlI3

In initial state before CH4 and Cl2 is shown in the figure based on the balance equation in the future what is the limiting reactant? A. CCL4 B. CH4 C. HCL D. CL2

4. For the reaction the product will be: a. 1 y 2 b. 2 c. 1 d. 4 e. 3

6. A -E

10. When the equation below is balanced, the coefficient in front of carbon dioxide is C3H8 + O2 --> CO2 + H2O: A. 1 B. 3 C. 6 D. 12

CHEMICAL Zn (s) ASH3 (g) Zn2* (aq) REACTION: H3ASO4 (aq) + (in acidic solution) Red Separate into ½ reactions Ох Balance elements (except O and H) Add H20 to balance O Add H* to balance H Add e to balance charges Multiply 2 reactions to yield equal number of e Combine 2 reactions Simplify Check for balanced Reactants Products atoms AND charges

14,What is the coefficient in front of Sr(NO3)2 if the reaction is balanced? ___K3PO4 + ___Sr(NO3)2 → ___KNO3 + ___Sr3(PO4)2 Group of answer choices A, 3 B, 6 C, 1 D, 4 E, 2   15,What is the coefficient of O2 if the reaction is balanced? ___O2 + ___C4 H10 → ___CO2 + ___H2O Group of answer choices A, 12 B, 8 C, 14 D, 13 E, 4

8. The combustion of glucose is represented by the following balanced equation: C H12O +6 0 6 H0+ 6 CO2. The reaction uses 1 gram of both CgH12Og and O2. What is the percent yield if 0.45 g of H,0 is produced? O a. 0.31% b. 0.558% c. 100% O d. 80% AM9 Lit

Multiple Choice. Read the statements carefully and answer the following questions.For no.7, 8, 9 and 10 refer to the chemical equation.REACTANTS PRODUCTN2 + 3 H2 -------→ 2 NH37. For the product 2 NH3 , What number represents the coefficient ?a. 1 b. 2 c. 3 d. none8. What number represents the subscript?a. 1 b. 2 c. 3 d. none9 What element is represented by the letter “ H “a. Hydrogen b. Helium c. Hydroxide10. How many atoms of “ H “ do you have ?a. 2 b. 3 c. 4 d. 6

a reaction mixture initially contains 0.25 moles of ZnS and 0.25 moles of O2. after the reaction is complete. how many ,oles of the excess reactant are left over?  2 ZnS+3 O2---> + 2 SO2 0.250 moles O2 0.125 moles O2 0.083 moles ZnS 0.167 moles ZnS