The overall reaction in a commercial heat pack can be repre- sented as 4Fe(s) + 30₂(g) 2Fe₂O3(s) AH = - 1652 kJ b. How much heat is released when 1.00 mol Fe₂O3 is produced?

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: 4.78 x 10 kJ E) 1,040 kJ 51.Methanol (CH,OH) burns according to the equation 2CH,OH(I) +…

A: The given reaction is,

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Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…

A: Delta E for the process = 790 kJ

Q: When a 8.00 g sample of KCI is dissolved in water in a calorimeter that has a total heat capacity of…

A: Given : Mass of KCl dissolved = 8 g Total heat capacity of calorimeter = 6.15 KJ/K And change in…

Q: In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH), was added to 70.0 mL of 0.680 M HCI.…

A: Total volume = 70.0+70.0 mL = 140 mL Specific heat = 4.184 g/mL Mass = 4.184g/mL × 140 mL = 585.76 g…

Q: seM Determine the mass (in g) of O2lg) that was consumed during this

A: A combustion reaction is a type of chemical reaction in which a compound and an oxidant is reacted…

Q: . (a) We place 77.7 g of a metal at 10.00 ◦C in 333.3 g of water at 70.00 ◦C. The water is in a…

A: Dear student, we are authorised to solve only one question at a time. Please post rest of the…

Q: A generic solid, X, has a molar mass of 78.7 g/mol. In a constant-pressure calorimeter, 21.2 g of X…

A: Given,  Molar mass of solid X = 78.7 g/mole  Mass of X = 21.2 g  Mass of H2O = 299 g  Initial…

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A: Given :  Mass of carbon = 5.35 kg  Since , 1 kg = 1000 gm  => Mass of carbon = 5350 gm  Also,…

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A:

Q: A generic solid, X, has a molar mass of 76.0 g/mol. In a constant‑pressure calorimeter, 37.7 g of X…

A: Solution:-

Q: In this reaction, D 2Al(OH)3(s) + 3H2(g) + energy 2Al(s) + 6H2O(g) and heat is transferred from the…

A: Exothermic reaction and endothermic reaction:• Exothermic reaction : Exothermic reactions are…

Q: A generic solid, X, has a molar mass of 59.1 g/mol. In a constant-pressure calorimeter, 15.8 g of X…

A: Given: The mass of solid X = 15.8 g The mass of water = 311 g The initial temperature of the water =…

Q: A generic solid, X, has a molar mass of 69.9 g/mol. In a constant-pressure calorimeter, 47.9 g of X…

A:

Q: A chemist measures the energy change AH during the following rea 2 HgO(s)→ 2 Hg(1)+ O₂(g) Use the…

A:

Q: An aluminum saucepan weighing 750 g contains 500 g of water at 25 ° C. In this water, you boil 10 g…

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Q: Which of the reactions are exothermic? 2 Mg(s) + O,(g) → 2 MgO(s) + heat NH, (g) + HCI(g) → NH,CI(s)…

A: If heat is produced as one of product then the reaction is exothermic. If heat is used as reactant…

Q: a) Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H20(g) AH = -2035 kJ How much heat is…

A: Formula used :- Q = mCpdT  Where m is mass , Cp is specific heat capacity and dT is change in…

Q: A generic solid, X, has a molar mass of 65.9 g/mol. In a constant‑pressure calorimeter, 20.5 g of X…

A: Calorimetry can be used to determine the heat transfer associated with a reaction by measuring the…

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

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Q: what volume of CO2 gas in Liters is produced if this reaction occurs at a pressure of 748 torr and…

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Q: 2 Calculate the temperature reached when 100 g of water at 18.2°C absorbs 9.45 kJ of heat energy.…

A:

Q: Exactly 46.33 kJ of heat is transferred to a 1.389 kg slab of nickel at a temperature of 12.7°C. (a)…

A:

Q: dissolution of one mole of NaOH in water releases 44.4 kJ of heat: H(s)→ Na*(aq) + OH*(aq) ΔΗ =…

A: Given: Heat of dissolution of 1 mole of NaOH in water releases 44.4 kJ.Given: Mass of sample of NaOH…

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Q: When a 7.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: How much heat was absorbed by the solution?

A: For constant pressure calorimeter, we know that The heat absorbed by the calorimeter is given by…

Q: A generic solid, X, has a molar mass of 61.8 g/mol. In a constant-pressure calorimeter, 18.6 g of X…

A:

Q: (b) Study the following thermochemical data very carefully: AH° = 242.3 kJ Cl2(g) → 2Cl(g) I2(g)…

A: The formation of compounds from its atoms in their stable sates at standard pressure and temperature…

Q: A generic solid, X, has a molar mass of 59.5 g/mol. In a constant‑pressure calorimeter, 45.3 g of X…

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

A: Molar heat of combustion = - 3862 kJ/mol Mass of sample = 0.502 g  Mass of water = 1170 g  Change in…

Q: What is the final temperature reached by the mixture in the calorimet

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Q: A 1.110-g sample of benzoic acid (HC7H5O2; molar mass = 122.12 g/mol) is burned in an excess of…

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Q: A calorimeter is calibrated by mixing two aqueous solutions each with a volume equal to 44.4 mL. The…

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Q: The common fertilizer NH,NO;(s), can explosively decompose according to the following reaction. What…

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Q: In a constant‑pressure calorimeter, 55.0 mL of 0.340 M Ba(OH)2 was added to 55.0 mL of 0.680 HCl.…

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Q: 4. The reaction of 250.0 mL of a 1.00 M hydrochloric acid solution with 250.0 mL of a 1.00 M sodium…

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