2MNO4¯ + 5C2O4² +16 H* 2Mn+2 +10 C02 + 8H2O 2 moles of MnO4 reacted with 5 mole of K2[Cu(C2O4)2].2H2O Number of moles of oxalate mole Number of moles of MnO4 = mole
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- 1. Balance the following chemical equation: Fe2O3 + CO ------> Fe + CO2, answers are listed in order - 1st coefficient, 2nd coeficient, etc. and so on. (1st one is in front of Fe2O3, 2nd one in front of CO, etc. and so on) Group of answer choices a) 1,3,3,2 b) 2,3,2,3 c) 1,3,2,3 d) 1,2,2,21. Balance the equation P2O5 + H2O -> H3PO4 What is the coeffiecient of P2O5, H2O, H3PO4 respectively? 1A. Balance the equation B10H18 + O2 -> B2O3 + H2O What is the coeffiecient of B10H18, O2, B2O3, H2O respectively? 1B. Nitrogen gas and Hydrogen gas were combined to form Ammonia. Compute for the grams of Nitrogen when Hydrogen is 7.08 mol Atomic weight: Nitrogen 14.0g/mol Hydrogen 1.00g/mol 1C. Nitrogen gas and Hydrogen gas were combined to form Ammonia. Compute for the grams of Ammonia when Nitrogen is 3.09 grams. Atomic weight: Nitrogen 14.0g/mol Hydrogen 1.00g/molFerrocene, Fe(C5H5)2(s), can be prepared by reacting 3.0 g of FeCl2(s) with anequal mass of cyclopentadiene, C5H6(l), and an excess of KOH, as shown in thefollowing reaction FeCl2 + 2C5H6 + 2KOH → FeC10H10 + 2H2Oa. What is the limiting reagent in this procedure?b. Based on your answer to part A, what mass of Fe(C5H5)2 couldtheoretically be formed?c. A student who carried out this reaction obtained 2.7 g of ferrocene. Whatwas the percent yield for this reaction?
- 2K MnO4 +6 HCI -> 5Clz+ZKCI + 2 Mnclz +8 HzU HOw moles of Clz are produced by 25.983 moles many assuming an excess of Hcl is present?Calculate the number of moles of Fe3O4 produced from 7.42 moles of Fe by the following balanced reaction. 3 Fe + 4 H2O ==> Fe3O4 + 4 H2 Answer to 2 decimal places.how many moles of CO2 would be produced from 7.123 moles of O2according to 2C2H6+7O2=4CO2+6H2O
- Certain salts of benzoic acid have been used as food additives for decades. The potassium salt of benzoic acid, potassium benzoate, can be made by the action of potassium permanganate on toluene according to the following reaction (unbalanced): C7H8 + KMnO4 ® KC7H5O2 + MnO2 + KOH + H2O toluene potassium benzoate Balance the equation. What is the limiting reactant when 10.750 g of toluene react with 14.750 g of potassium permanganate?Certain salts of benzoic acid have been used as food additives for decades. The potassium salt of benzoic acid, potassium benzoate, can be made by the action of potassium permanganate on toluene according to the following reaction (unbalanced): C7H8 + KMnO4 ® KC7H5O2 + MnO2 + KOH + H2O toluene potassium benzoate Balance the equation. What is the limiting reactant when 10.750 g of toluene react with 14.750 g of potassium permanganate? How much of the excess reactant remains after all of the limiting reactant is consumed? In an experiment using the masses of reactants listed above, 7.042 g of potassium benzoate was produced. What is the percent yield of that experiment? If the yield of potassium benzoate cannot realistically be expected to be more than 72.15%, what is the minimum number of grams of toluene needed to achieve this yield while producing 10.00 g of KC7H5O2?Antimony is produced by heating powdered antimony trisulphide with iron and removing the molten antimony from the reaction vessel. If 1.8 kg of antimony trisulphide and 1.3 kg of iron are heated to give 0.9 kg of antimony. The reaction is as follows: Sb2S3 + 3Fe --> 2Sb + 3FeS The amount of percentage excess of the Excess Reactant is: The amount of percentage excess of the Excess Reactant is: 46.45% 52.77% 47.53% 69.75% The degree of completion of the reaction is: 46.45% 52.77% 47.53% 69.75% The percentage conversion of iron is: 46.45% 52.77% 47.53% 69.75%
- What are the coefficients required to balance the following combustion reaction: C5H120 + 02 CO2 ---> H2O Oa. 2, 15, 10, 12 b. 2, 16, 10, 12 Oc. 1, 8, 5, 12 Od. 1, 8, 5, 6 +13. 12 moles CO and 12 moles Fe203 react as follows to produce iron and carbon dioxide. Determine the limiting reagent. -. 3CO + Fe2O3-> 2Fe + 3CO2(24) SEP Apply Mathematical Concepts The incomplete combustion of total mass of the reactants (105.0 g) because S was in excess. etiene is given by the equation CeH.(g) + 20,(g) → 2CO(g) + 2H2O(g). If 2.70 mol C,H, is reacted with 6.30 mol O21 a. identify the limiting reagent. b. calculate the moles of water produced. GO ONLINE for more practice problems. 3 Limiting Reagent and P Company LL