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1) Write a balanced equation for the reaction between aqueous strontium chloride and aqueous lithium phosphate to form solid strontium phosphate and aqueous lithium chloride. 2) Balance the following equation for the combustion of methane (CH₄) in oxygen (O₂) to form carbon dioxide (CO₂) and water (H₂O): CH₄ + O₂ → CO₂ + H₂O 3) Ammonia, NH3, can be synthesized by the reaction: 2 NO(g) + 5 H2(g) 2 NH3(g) + 2 H2O(g) Starting with 86.3 g NO and 25.6 g H2, find the theoretical yield of ammonia in grams. 4) Write a balanced equation for the combustion of liquid methyl alcohol (CH3OH). 5) Write a balanced chemical equation :the reaction between aluminum metal and chlorine gas 6) Apply molecular orbital theory to determine the bond order of the CN– ion. Is the ion paramagnetic or diamagnetic? 7) How many grams of Li3N can be formed from 1.75 moles of Li? Assume an excess of nitrogen. 6 Li(s) + N2(g) → 2 Li3N(s) 8) Give the percent yield when 28.16 g of CO2 are formed from the reaction of 4.000  2C8H18 + 25 O2 → 16 CO2 + 18 H2O 9) Determine the molarity of a solution formed by dissolving 97.7 g LiBr in enough water to yield 750.0 mL of solution. (MW LiBr: 86.845 g/mol) 10) According to the following reaction, how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M LiOH solution? Assume that there is excess FeCl2. FeCl2(aq) + 2 LiOH(aq) → Fe(OH)2(s) + 2 LiCl(aq)

CHEM 1A CORTNEY

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