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: 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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A: Delta E for the process = 790 kJ

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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: . (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…

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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…

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

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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: 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…

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

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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: 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: How much heat was absorbed by the solution?

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A:

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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