calculate stoichiometry; energy and heat in chemical reactions problems To heat the water in a hot spring, coal briquettes are used as fuel. Combustion of one kilogram coal briquettes will produce a heat of 30,500 kJ. What is the mass of coal briquettes needed to heat 8 Kg of water from 18°C to 65°C (at a pressure of 1 atm), assuming the heat use efficiency of burning coal briquettes is 85%? CH - O = 4.184kJ / K * g

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Q: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542…

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Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

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Q: Which

A: Endothermic reaction in which heat is given

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Q: You are given a copper calorimeter that is 900 grams and is in equilibrium, has a temperature of 24…

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Q: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542…

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Q: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542…

A: Given chemical reaction, 2 C6H6 (l) + 15 O2 (g) ⟶12 CO2 (g) + 6 H2O (l) + 6542 kJ  mass of benzene =…

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Q: A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the…

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A: Mass of nonanedioic acid  = 0.8568 g Mass of water = 1386 g Initial temperature = 24.32oC Final…

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Q: when 0.0300 mol of NH3(g) react with 0.0200mol of N2O(g) according to the following equation?…

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Q: Ethyl chloride (C2H5Cl) can be used as a topical anesthetic, for example prior to giving a painful…

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Q: access the section in your eText. Part A Titanium reacts with iodine to form titanium(III) iodide,…

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Q: In a Calorimetry experiment, a chemical reaction causes the temperature of the solution in the…

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Q: The preparation of NO2(g) from N2(g) and O2(g) is an endothermic reaction: N2(g) + O2(g) → NO2(g)…

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Q: A cold pack contains 134.4 g of water and 40.7 g of ammonium nitrate. What will be the final…

A: The formula which is used in the solution is shown below. Q = mcΔT ⇒ ΔT = Q/mc

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

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Q: The enthalpy (or heat) of combustion of acetone, (CH3)₂CO, is-1657.8 kJ. The reaction is (CH₂)2CO…

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Q: N2(g) + 3Cl2(g) 2NCl3(l) ∆H°rxn = +460 kJ Consider a reaction mixture of 6.5 LSTP of N2(g) and 16…

A: Using stoichiometric calculations, we will calculate reaction heat and limiting reagent.

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Q: When ethanol burns in oxygen, it forms carbon dioxide and water. If the heat of the combustion…

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Q: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542…

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Q: Use the References to access important values if needed for this question Ethanol, C2H0, is most…

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Q: In a coffee cup calorimeter, 50.0 mL of 1.00 M NaOH and 50.0 rnL of 1.00 M HCI are mixed. Both…

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Q: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542…

A: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542…

Q: A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the…

A: m = 144 gTemperature difference = 24.7 oC -21.00 oC = 3.7 oCSpecific heat capacity = 4.186 J/g. oC

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Q: In an experiment, a 1.1250 g sample of β-D-fructose (C6H12O6) is burned completely in a bomb…

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Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

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Q: A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the…

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