How much heat (in kilojoules) is involved in the oxidation of 105.4 g of Fe at 25°C? 4 Fe(s) + 3 O 2(g)↔ 2 Fe 2O 3(l) --> ΔH = -1648 kJ

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A: Write the ideal gas equation. PV =nRT where P is the pressure, V is the volume, n is the number of…

Q: An experiment is conducted where 1.00g of water has an initial temperature of 25°C. A metal has a…

A: To solve this problem we will use the formula  Q = m•c•∆T  Where, Q = heat absorbed or released  m =…

Q: ΔH = +285.8 kJ/mol of H2O for the decomposition of water by the reaction 2 H2O() → 2 H2(g) + O2(g).…

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Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: Given, ∆H of the reaction = -1.65 x 103 KJ Amount of iron = 0.250 kg Amount of heat is released =…

Q: When NaOH is neutralized by HCl as shown: NaOH (aq) + HCl (aq)  H2O (l) + NaCl (aq) ΔH = - 56.13…

A: The balanced reaction taking place is given as, => NaOH (aq) + HCl (aq) --------->  NaCl (aq)…

Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: Consider the given reaction of iron rust is as follows; Reaction:       4 Fe s       +     3 O2 g…

Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: The balanced reaction taking place is given as, 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s)…

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Q: metal radiator is made from 25.9 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

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Q: The complete combustion of one mole of octane releases 5074.1 kJ of heat. The products are carbon…

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Q: A piece of iron (5 g) at 150 oC with a specific heat of 0.45 J/g oC is placed in 100 mL of water at…

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A: Since you have posted multiple questions, we are entitled to answer the first only. The balanced…

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Q: What mass of aluminum metal would absorb 250.0 kJ when it melted at its melting point? The molar…

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Q: Silver (Ag, 107.9 g/mol) oxidizes to form Ag2O (231.7 g/mol).  The molar heat of formation (ΔHfo) of…

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A: As it is given that same amount of heat which is required . So first we would calculate the heat…

Q: How many grams of iron are formed when 2.28x10^3 kJ of heat evolves from the reaction?…

A: Given Reaction Fe2O3(s) +2 Al(s)  → Al2O3(s)   + 2 Fe(s)∆Hreaction  = -852 kJHeat evolves =- 2.28 *…

Q: How many grams of iron (Fe) are formed when 2.28 x 10^3 kJ of heat evolves from the reaction?…

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Q: If 250. g of aluminum is consumed in the reaction, how much heat (in kJ) could theoretically be…

A: 2 Al (s) + Fe2O3 (s) → 2 Fe (l) + Al2O3 (l)              ΔH = −848.0 kJ In the given reaction there…

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Q: Calculate the heat needed, in joules, to raise the temperature of 34 g iron, Fe, from 25oC to 78oC.…

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Q: 8. How much heat, in kilojoules, is needed to produce 1850 grams of ammonia (NH3), according to the…

A: Formula used :- Number of moles(n) = given mass(w)/Molar mass (M)      n= w/M

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Q: When a 43.0 g sample of metal at 100.0 oC is added to 38.0 g of water at 23.72 oC, the final…

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Q: Which of the following processes is endothermic?     a hot cup of soup (system) cools on a…

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Q: piece of metal weighing 45.0 g was heated to 95.0oC, and the hot metal was added to 50.0 g of cold…

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Q: 5.) An experiment is conducted where 1.00g of water has an initial temperature of 25°C. A metal has…

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Q: 2Fe+3CO2 3CO+ Fe2O3 AH = 24.7 kJ %3D How much heat is transferred if 15 g of iron is used?

A: The balanced equation is  2 Fe + 3 CO2 -----------> 3 CO + Fe2O3 Molecular weight of Fe = 55.845…

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Q: What is the ΔE for a system which has the following two steps: Step 1: The system absorbs 60 J of…

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Q: A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide. 2…

A: Given :-  2 HgO(s) 2 Hg(l) + O2(g)  Hrxn = 181.6 kJ  To calculate :-  Heat require to decompose 546…

Q: 13. The value of AH° for the reaction below is +128.1 kJ: CH,ОН() —> СО(g)+ 2H ,(g) How many kJ of…

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Q: 100.0 gram of a metal at 100.0 oC is added to 100.0 g of water at 25.0 oC, the final temperature is…

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Q: Iron can be extracted from the iron(III) oxide found in iron ores (such as haematite) via an…

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Q: Iron can be extracted from the iron(III) oxide found in iron ores (such as haematite) via an…

A: Since Carbon is in excess so all the fe2o3 will be converted into Fe so using the stoichiometric…

Q: Q1. Describe the change in temperature in diagram A and diagram B. Q2. Interpret AE 0. When do we…

A: In diagram A, the heat energy is released from the system In diagram B, the heat energy is absorbed…