A typical frostless refrigerator uses 655 kWh of energy per year in the form of electricity. Suppose that all of this electricity is generated at a power plant that burns coal containing 3.5% sulfur by mass and that all of the sulfur is emitted as SO2 when the coal is burned.

Q: CeH6ln + 15 O2(g)12 CO2(g) + 6 H20() AH = -5.854 x 10 kJ in unknown amount of CEH6() was combusted…

A: The question is based on the concept chemical thermodynamics.   We have been given heat value.   We…

Q: If the heat of combustion for a specific compound is -1230.0 kJ/mol and its molar mass is 33.59…

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Q: Given the specific heat of lead is 0.129 J/g.C and that it takes 93.4J of energy to heat a sample of…

A: Specific heat It is amount  of heat required to change the temperature of a substance by 1 Degree of…

Q: How much energy is evolved during the reaction of 48.7 g of Al according  to the reaction below?…

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: The heat equation, as given in the introduction, can also be rearranged to calculate the mass or…

A: The specific heat required to raise the temperature of a substance is given as:

Q: In the combustion of heptane, CO2 is produced Assume that you want to produce 600kg of dry ice per…

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Q: from the combustion of hydrazine, N₂H4, is used to power rockets into space in the The energy…

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Q: The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate…

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Q: Which of the following changes is endothermic? * O melting of copper O freezing of water O…

A: In endothermic reactions, ∆H is positive and heat or energy is absorbed.

Q: How many litres of CS2(g) are decomposed with the release of 2.34 x 107 J of energy?

A: The chemical reaction with change in entropy is, CS2 (l) + 3O2 (g) → CO2 (g) + 2SO2 (g) ∆H  = -1077…

Q: How many grams of C5H12

A: ∙Given:- mass =1.24kg or 1240g                    T1 Initial temperature=23.6°C…

Q: A 550 MW coal-fired power plant burning bituminous coal has an annual capacity factor of 0.75 and a…

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Q: If the heat of combustion for a specific compound is −1370.0 kJ/mol and its molar mass is 47.85…

A: Given, Heat of combustion for specific compound , Q= -1370 kJmol Molar mass, M = 47.85 gmol Required…

Q: Determine the amount of heat (in kJ) associated with the production of 1.76 × 104 g of NO2 according…

A: Molar mass of nitrogen dioxide is 46 g/mol

Q: C What quantity of energy is required to break up 1 mole of SO2 (g) into its constituent elements?…

A: We are given the following reactions: S(s)+O2(s)→SO2(g)............1st. ∆fHSO2=-296 KJ/mol.

Q: Reaction; 286 kJ + 2H2O→ 2H2 + O2 A) How many moles of hydrogen will be produced if 46,000 kJ of…

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Q: What mass of iron is produced if 58.2 kJ of heat are released according to the following equation?…

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Q: A typical frostless refrigerator uses 655 kWh of energy per year in the form of electricity. Suppose…

A: Calculate the standard change in enthalpy  for the combustion of C Use standard enthalpies of…

Q: The reaction N2(g) + 3H2(g) -> 2NH3(g) at 400.0°C has an associated heat of reaction -92.22 kJ/mol.…

A: The heat of the reaction is -92.22Kj/mol  The given balanced reaction is:-  N2(g) +3H2(g) →2NH3(g)…

Q: Calculate the energy released per kilogram of CO2 emitted for the following fuel if the amount of…

A: Combustion refers to complete reaction of a substance with molecular oxygen. For hydrocarbons,…

Q: How many grams of CO2CO2 are produced when C3H8C3H8 is combusted in oxygen and 298.0 kJ of heat are…

A: When an atom combines with oxygen which produce carbon dioxide and water is known as combustion…

Q: Which of the following is not a fossil fuel? O a. Uranium O b. Petroleum O C. Petrol O d. Coal O e.…

A: Fuel  A fuel is any material that can be made to react with other substances so that it releases…

Q: Consider the combustion of liquid CiHi in oxygen gas to produce carbon dioxide gas and water vapor.…

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Q: If 124 kJ of heat is absorbed in a reaction that forms nitric oxide from nitrogen and oxygen, what…

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Q: If the specific heat of gold is 0.13 J/(g°C), how much heat is needed to raise the temperature of a…

A: Here we are asked to calculate the amount of heat needed to raise thetemperature of a   20 gram…

Q: A 26.9 g rock rolls down the hill at a speed of 81.9 m/s. What is the Kinetic energy of the rock? (…

A: given mass of rock(m) = 26.9*10-3kg speed of rock(v)= 81.9 m/s kinetic energy (KE) =?

Q: How many grams of carbon are present if it requires 57.5 kJ of energy to heat a sample from 20.0 to…

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Q: The heat equation, as given in the introduction, can also be rearranged to calculate the mass or…

A: We know that the heat equation is given by formula: Q = m*C*∆T   where Q is the heat transfer(in…

Q: Using the balanced chemical equation below, what amount of heat energy is produced (in kJ) if 65.15…

A: Combustion reaction: When a hydrocarbon reacts with oxygen present from air gives carbon dioxide and…

Q: Using the following data, calculate the standard heat of formation of ICl(g) in kJ/mol:

A: Interpretation: To determine the standard heat of formation of ICl (g)

Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is…

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Q: Using information in the figure above, calculate the total world energy consumption in 1975. i x 10…

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Q: ergy is given off by the

A: The balanced chemical reaction,  4NH3 + 3O2 ----->  2N2 + 6H2O □H = -1225.6 kJ Mass of NH3 =…

Q: If 335 g of water at 24.5°C absorbed 2.66 kj of energy, what is the final temperature of the water?

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Q: How much energy (in kJ) is released by the combustionof 1.00 mol of C8H18?

A: The enthalpy change (∆H0) associated with a chemical reaction is furnished as the amount of energy…

Q: A certain chemical reaction releases 368.kJ of heat energy per mole of reactant consumed. Suppose…

A: In case of a calorimeter we can relate the heat change of a system to the product of thenumber of…

Q: The combustion of one mole of liquid ethanol, CH3CH2OH,produces 1367 kJ of heat. Calculate how much…

A: The chemical reaction for the combustion of ethanol is represented as:

Q: Ammonium nitrate is an explosive and a fertilizer. Once a reaction is sparked (by some other means)…

A: Ammonium nitrate is a nitric acid salt of ammonium. It has a function as a fertilizer, an oxidizing…

Q: What area of study in chemistry is concerned with the heat transfers that occur during chemical…

A: Thermodynamics is one of the topic of science which is in physics as well as chemistry.

Q: The reaction of methane(g) with water(g) to form hydrogen(g) and carbon monoxide(g) proceeds as…

A:

Q: A typical frostless refrigerator uses 655 kWh of energy per year in the form of electricity. Suppose…

A: 1 KWh is equal to 3600 kilojoules. 655 KWh is equal to 655 × 3600 kilojoules = 2.358 × 106…

Q: Enthalpy is the a. Heat of combustion at constant pressure b. Heat of formation at constant pressure…

A: Interpretation -  To determine the energy of a system at constant pressure, when enthalpy is the a.…

Q: A test of an automobile engine’s exhaust revealed that 3.7 g of NO2  was emitted in 10 minutes of…

A: Given that engine's exhaust emits 3.7 g NO2 in 10 minutes. We are to find moles of NO2 emitted in 45…

Q: How many grams of C5H12 must be burned to heat 1.40 kg of water from 23.4 °C to 91.7 °C?

A: The amount of heat absorbed (or released) by a fixed amount of a substance to change its temperature…

Q: When 3.8 g A are reacted with 8.5 g D,  according to the balanced chemical equation below, 33 kJ of…

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Q: Hypothetical elements A2 and B2 react according to the following equation, forming the compound АВ.…

A: We will answer this question using ∆H value and calorimeter concepts.

Q: In a large building, oil is used in a steam boiler heating system. The combustion of 1.0-lblb of oil…

A: Given information, Combustion of 1.0 lb of oil produce = 2.4*107 J of heat And 1.0 lb = 0.454 kg…