From the reaction below, answer the following questions: 2Cu20(s) + Cu2S(s) 6Cu(s) + SO2(g) a) If 12.87 kg of the copper (1) oxide ore and 11.921 kg of copper (I) sulphide is reacted, determine what is the limiting reagent/reactant of the reaction? b) Calculate theoretical yield of the reaction. c) If you obtain 12.1 kg of pure copper for the reaction described in b) above, what is the % yield of the reaction?

Q: Balance the following chemical equation and determine the mass in grams of FeO(s) needed to produce…

A: The reaction given is, => FeO (s) + C (s) → Fe (s) + CO2 (g)  Given: Mass of Fe to be produced =…

Q: (a) Write separate balanced equations for the complete combustion of ethanol (C2H5OH) and of…

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Q: Decane, C10H22(l), undergoes complete combustion if there is sufficient oxygen available: 2…

A: The balanced reaction taking place is given as, => 2 C10H22 (l) + 31 O2 (g) -----> 20 CO2 (g)…

Q: Propane (C3H8) is a component of natural gas and is used in domestic cooking and heating. (a)…

A: a)  C3H8+ 5O2→3CO2+4H2O The above is balanced equation  for combustion of propane

Q: Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand.…

A: Ilmenite can be separated from sand with magnets

Q: What is the component concentration ratio, [Pr−]/[HPr], of a buffer that has a pH of 4.98? (Ka of…

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Q: A nail in a board is completely turned to rust. Oxygen has combined with the iron in the nail (4Fe +…

A: A limiting reagent is the one that is present in lesser amount and that limits the amount of product…

Q: Silver sulphide and hydrogen combine to form silver and hydrogen sulphide.  The equation for the…

A: In this question, we want to determine the percentage yield of the Silver ( Ag ).  You can see…

Q: One method used in the eighteenth century to generate hydrogen was to pass steam through red-hot…

A: Given that, a reaction is 3Fes+4H2Og→Fe3O4s+4H2g. The molar masses are Fe = 55.845 g/mol, H2O =…

Q: Phosphoric acid, a mild acid used among other things as a rust inhibitor, food additive, and etching…

A: Mass of phosphoric acid = 2.0 x 10 3 g

Q: Consider the following chemical equation: Cu (s) + O2 (g) → Cu2O (s) Is this chemical equation…

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Q: Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand.…

A: The explanation is given below-

Q: A nail in a board is completely turned to rust. Oxygen has combined with the iron in the nail (4Fe +…

A: A balance chemical reaction for rusting of iron nail is as follow                               4Fe…

Q: 0.471 mol Ti 0.888 mol Cl2 Express your answer in moles to three significant figures. Theoretical…

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Q: What is the coefficient in front of the NO when the equation below is balanced? NH₃(g) + O₂ (g) →…

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Q: Consider the following reaction: C3H8 + O2 → H2O + CO2. (a) Balance the reaction. (b) If you start…

A: We have a unbalanced equation , we have to balance it, Then we are having 100 g of each reactant ,we…

Q: CH3OH(l) + CO(g)                    HC2H3O2(l)      In an experiment, 15.0 g of methanol and 10.0 g…

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Q: 2Cu20(s) + Cu2S(s)→ 6Cu(s) + SO2(g) a) If 12.87 kg of the copper (1) oxide ore and 11.921 kg of…

A:

Q: Silicon carbide or carborundum is a widely used ceramic material in car brakes and bullet-proof…

A:

Q: Tungsten metal, used in light bulb filaments, is produced from the reaction between tungsten (VI)…

A: Given, Mass of tungsten (VI) oxide, WO3 = 34.5 kg = 34500 g % yield = 75 %

Q: calculate the percent yield for the reaction?  Ca(s) + 2 H2O(l)  ®  Ca(OH)2(aq) + H2(g)

A: We have to calculate the percent yield for the reaction? Ca(s) + 2 H2O(l)  ®  Ca(OH)2(aq) + H2(g)

Q: In the reaction between CO and Fe3O4 , the theoretical yield in an experiment is calculated to be…

A: Given : Theoretical yield = 47.2 g Fe Actual yield = 42.9 g Fe

Q: Given the following reaction equation: CH4 (g) + O2(g) → CO2 (g) + H2O (l) a)Balance this reaction…

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Q: Consider the reaction: C2H4 + O2     →     CO) (Unbalanced).  If 0.96 g of C2H4 g was Used 5.2 g of…

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Q: Calculate the theoretical yield (in grams) and percent yield in the following situations: Consider…

A: The fraction of reaction's exact yield and theoretical yield of reaction moreover multiplied by 100…

Q: 2 Cu + S→ Cu;S When copper is heated with sulfur, the reaction above takes place. If 100. g of Cu is…

A:

Q: Using your knowledge of stoichiometry and limiting reagents, answer the following questions: 1.…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Calculate the mass of limestone () that must be decomposed to produce 415 g of CaO is produced. The…

A: The given balanced equation is shown below. CaCO3s→CaOs+CO2g The given mass of CaO is 415 g.

Q: Phosphoric acid, a mild acid used among other things as a rust inhibitor, food additive, and etching…

A:

Q: What mass of CO2 can be produced by the complete combustion of 2.00 kg of octane, C8H18, a major…

A: Balanced chemical equation for the reaction ids given below.

Q: Balance and complete the following combustion reaction. Give the sum (one number only) t e t r a c…

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Q: Calculate the mass of iron required to produce 0.332 g of silver metal, given this fully balanced…

A: Stoichiometry, in balanced chemical reaction is defined by the ratio at which reactants are reacting…

Q: Calculate the mass of limestone () that must be decomposed to produce 425 g of lime (). The equation…

A: Mass of lime stone (CaCO3) produced = 758.93 g

Q: Blast furnaces extract pure iron from the iron(III) oxide in iron ore in a two step sequence. In the…

A: The reactions given to extract iron from iron(III) oxide in blast furnace: First step: Carbon and…

Q: The metal vanadium can be extracted from its oxide by heat- ing it in the presence of calcium:…

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Q: What is the percent yield for a process in which 10.4 g CH3OH reacts and 10.1 g CO₂ forms according…

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Q: Determine the mass of antimony produced when 0.46 grams of antimony (III) oxide reacts with carbon…

A: The question is based on the concept of reaction stoichiometry. we have been given a balanced…

Q: A3) Balance the following equation. You must enter a number in every blank. Fe(s) + Ozlg)→ FegO4(s)

A: The answer is given below

Q: Propane (C3H8) is a component of natural gas and is used in domestic cooking and heating. (a)…

A: C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.    

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.