Balance the chemical equation below using the smallest possible whole number stoichiometric coefficients. CH,CH, (g) + 0,(g) - co,(g) + H,0(g)
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- 7. Given that the kf of water in a car radiator filled with liquid in the ratio of 62 g of ethylene glycol (HOCH₂ CH₂OH) in 500 g of water is.... (A) -0.93 °C (B) -1.86 C (C) -3.73 C (D) -7.64 °C (E) -5.58 COn strong heating ammonia dissociates into nitrogen and hydrogen, all in a gaseous state. When 0.350 mol of NH3 is heated in a closed 10.0 L vessel, the fraction of dissociation is 0.400. (ensure all calculation have 3 decimal places. a. Calculate moles of NH3dissociated? b. Calculate moles N2 formed? c. Calculate moles H2 Formed?1. Balance the following equations:a) ____ Na2SO4(aq) + ____ Pb(C2H3O2)2(aq) → ____ NaC2H3O2(aq) + ____ PbSO4(s) i. How many moles of Pb(C2H3O2)2 are required to react with 1.67 moles Na2SO4? Use dimensional analysis.
- Stoichiometric calculations. Show computations K, a pharmaceutical scientist aims to synthesize paracetamol by reacting 3.075 mg of p-aminophenol and 2.25 milliliters of acetic anhydride to produce paracetamol and acetic acid. C6H7NO + C4H6O3 à C8H9NO2 What is the limiting reactant? How many grams of paracetamol was formed? K was able to produce 1.88 grams of paracetamol. What is the percentage yield?2MnO4- (aq) + 5C2O42-(aq) + 16H+(aq) ----> 10CO2(g) + 2Mn2+(aq) + 8H2O (l) What is the stoichiometric mole-to-mole ratio between moles of permanganate and mole of oxalate?Manganese oxide can be reduced to elemental manganese in the presence of methane (CH4). The products of the reaction are manganese metal, CO2, and water vapor. Practice only reporting the correct significant figures in all answers! a. Write a balanced reaction for the reduction of manganese (IV) oxide with methane to elemental manganese. b. Write a balanced reaction for the reduction of manganese (II) oxide with methane to elemental manganese. c. What is the mass percent of manganese in manganese (IV) oxide? d. What is the mass percent of manganese in manganese (II) oxide? e. A mixture of manganese (IV) oxide and manganese (II) oxide is reduced in the presence of methane. After ten different trials utilizing different masses of unknown mixture, the data was plotted (mass of mixture versus mass of manganese produced) a slope of 0.6854 was obtained. What is the mass percentage of manganese (IV) oxide and manganese (II) oxide in the mixture?
- What is the ΔSo for the combustion reaction of ammonia NH3(g) to nitrogen dioxide NO2(g) and watervapor H2O (g)?So NH3(g) = 193.1 J/mol·K; So O2(g) = 205.0 J/mol·K; So H2O(g) = 188.7 J/mol·K; So NO2(g) = 239.5 J/mol·KIn the 1980s, there was an international agreement to destroy all stockpiles of mustard gas, ClCH2CH2SCH2CH2Cl. When this substance contacts the moisture in eyes, nasal passages, and skin, the −OH groups of water replace the Cl atoms and create high local concentrations of hydrochloric acid, which cause severe blistering and tissue destruction. Write a balanced equation for this reaction and calculate ΔHrxn . Do not include states in your equation.Aqueous solutions of ammonia (NH3) and bleach (activeingredient NaOCl) are sold as cleaning fluids, but bottlesof both of them warn: “Never mix ammonia and bleach, astoxic gases may be produced.” One of the toxic gases thatcan be produced is chloroamine, NH2Cl. (a) What is theoxidation number of chlorine in bleach? (b) What is theoxidation number of chlorine in chloramine? (c) Is Cl oxidized,reduced, or neither, upon the conversion of bleachto chloramine? (d) Another toxic gas that can be producedis nitrogen trichloride, NCl3. What is the oxidation numberof N in nitrogen trichloride? (e) Is N oxidized, reduced, or neither, upon the conversion of ammonia to nitrogentrichloride?
- For the following reaction: 5Ca + V2O5 --> 5CaO + 2V In one process 5 moñ of V2O5 react with 3 mol of acá. Calculate the theoretical yield of V in the unit of mol.Balance the following equation in standard form and determine the sum of the coefficients. LiAlH4(s) + AlCl3(s) --> AlH3(s) + LiCl(s) Group of answer choices 9 11 10 12 8Citric acid, C6H8O7, a component of jams, jellies, and fruity soft drinks, is prepared industrially via fermentation of sucrose by the mold Aspergillus niger. The equation representing this reaction is C12H22O11 + H2O + 3O2 --> 2C6H8O7 + 4H2O Using a metric ton(1000kg) of sucrose the expected yield is 1122Kg. On average if only 1036kg is produced, what is the % yield for this reaction?