Given the following reaction: 4 Fe(s) + 3 O2 (g) → 2 Fe2O3 (s) ΔH = -1648 kJ 52.0 g of Fe (MM = 55.845 g/mol) are reacted as above in 1.000 x 103 g of water (MM = 18.02, ΔHFUSION = 6.01 kJ/mol, ΔHVAP = 40.65 kJ/mol, specific heat = 4.18 J/(g C) that is at 20.0 °C. What will the final temperature of the water be? Select one: 100 367 91.8 112 20.1

Q: The molar enthalpy of solid sodium hydroxide with a solution of hydrochloric acid. NaOH(s) + HCI(aq)…

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Q: Adding 1.56 g of K2SO4 to 6.00 mL of water at 16.2ºC causes the temperature of the solution to drop…

A: Given : Mass of K2SO4 added = 1.56 g Volume of water = 6.00 mL Drop in the temperature of initial…

Q: At 18°C the heat of solution of anhydrous CuSO4 in a large volume of water is -15,800 cal/mole,…

A: At 18 °C the heat of solution of anhydrous CuSO4 is -15,800 cal/mole while that of CuSO4 . 5 H2Ois…

Q: What would be the final temperature of 231.6mL of NaCI solution upon releasing 24.1kJ of energy to…

A: The heat released/absorbed is calculated by using the formula : q = mCsΔT q = Heat released/absorbed…

Q: For the reaction 4HCl(g) + O₂ (g) → 2H₂O(g) + 2Cl₂ (g) AH° -114.4 kJ and AS° = -128.9 J/K The…

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Q: Calculate ΔH(f) for liquid water, knowing that ΔH (f) of H2O (g) is -242 kJ:  H2O(l) -> H2O(g) ΔH…

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Q: Consider the reaction of 100 mL of 0.22 M HC with 50 mL of 0.22 M Ca(OH)₂. 2HCl (aq) + Ca(OH)₂ (aq)…

A: Molarity of HCl solution= 0.22 M Volume of HCl solution= 100 mL Molarity of Ca(OH)2 solution= 0.22 M…

Q: Enthalpy changes in chemical reactions Read through pagos 18-20 in your laboratory manual for…

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Q: Given the following standard enthalpies; H2(g)  ➡    2H(g)                 △H = +436KJ O2(g)    ➡…

A: The two reactions given are, 1) H2 (g) --------> 2 H (g)                                  ΔH =…

Q: Your lab partner accidentally mixed some sodium chloride with your sample of Epsom salts…

A: According to question, 100 gm of mixture containing Sodium chloride and Epsom salts is heated after…

Q: 9.91 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70 °C.…

A: Please find your solution below : Enthalpy of dissolution is defined as the change in enthalpy…

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A: The given reaction is the example of Diels alder reaction. In the second step ozonolysis of alkene…

Q: A 10.5 g sample of an ionic compound with a molar mass of 163 g/mol was added to water to form 65.2…

A: Given data: Mass of ionic compound = 10.5 g Mass of solution = 65.2 g Density of solution = density…

Q: From the change in internal energy, AE, given for 185 °C, calculate the change in enthalpy, AH, at…

A: Relation between ΔH and ΔE, ΔH = ΔE + ΔnRT

Q: 11. Using Hess's Law, determine AH for the following reaction, likewise, note if the reaction is…

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Q: Given the reactions, X(s) +02(g) XO(s) ΔΗ -670.5 kJ XCO3(s) XO (s)+CO2(g) ΔΗ +395.3 kJ what is AH…

A: Given that,The enthalpy change of the reaction is

Q: A 5.00 g sample of KCl (MW = 74.55 g/mol) is dissolved in 600.00 g of water and the temperature…

A: The amount of heat released by the dissolution of potassium chloride is absorbed by water. Mass of…

Q: 7) ) Use the following data to calculate the enthalpy of solution of lithium chloride. chloride =…

A: Hf for solid lithium chloride is given by the process  Li+(g) + Cl-(g) →LiCl (s) The overall process…

Q: The combustion of propane gas leads to formation of carbon dioxide and water by the following…

A: Answer:- firstly from the balanced chemical equation and the enthalpy of reaction , moles of carbon…

Q: (1) N2(g) + O2(g)2NO(g)...... ΔH° = 181.8 kJ (2) N2(g) + 2O2(g)2NO2(g)......ΔH° = 66.4 kJ what is…

A: Given             N2(g) + O2(g)     →    2NO(g).         ΔH°   = 181.8 kJ            N2(g) + 2O2(g)…

Q: When 0.238 g of sodium metal is added to an excess of hydrochloric acid, 2470 J of heat are…

A: 2Na(s) + 2 HCl (aq) -->2NaCl(aq) + H2(g) Enthaly of reaction=? Na has molar mass=23 0.238g of…

Q: When 0.0700 moles of metal "X" is allowed to completely react with 200 mL of aqueous HCI, the…

A: Given data,Moles of Metal=0.070molesVolume of HCl=200mL∆T=42.9-25=17.9oCHeat capacity of…

Q: The enthalpy of neutralization of a newly discovered compound, J(OH)3, was determined using a…

A: We have to predict the  A. Heat capacity for calorimeter  B. Balanced equation for second given…

Q: How much heat is released or absorbed (in kJ) by the system in the reaction of 19.3 g of SF, with…

A: The balance chemical equation :  SF6(g) + 3H2O(l) ----> 6HF(g) + SO3(g)  The Standard heat of…

Q: A 0.100-L solution is made by dissolving 0.441 g of CaCl21s2 in water. The enthalpy of solution for…

A: Using delta H, determine the heat released by dissolving the given moles of CaCl2. The moles of…

Q: Calculate the ΔH for the reaction. Show the complete and step by step solution. NO(g) + O(g) -> NO2…

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Q: 6.41 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

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Q: Given the standard enthalpy changes for the following two reactions: (1) Hg(l) + Cl2(g) ->…

A: The question is based on Hess law.   it  states that net enthalpy change for the reaction remains…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) +…

A: This problem can be solved using Hesse's law of constant heat summation.

Q: 0.81 g sample of KCl is added to 37.9 g H2O and stirred until KCl completely dissolves in a…

A: When KCl is mixed with water as we see temperature of the system decreases . Heat of solution is…

Q: If the reaction of 245 mL of an HCI solution with excess CaO released 41.7 kJ of enthalpy, then what…

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Q: When 0.776g of sodium metal is added to an excess of hydrochloric acid, 8070 J of heat are produced.…

A: Given :  Mass of sodium metal = 0.776 g  Heat produced = 8070 J

Q: What is the change in enthalpy in joules when 10.5g of AgCl (143.3g/mol) dissolves in water…

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Q: 10.01 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: Given data: 10.01 g of MgSO₄ 100.0 mL of water density of the water is 1.00 g/mL specific heat of…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O₂(g) → 2PbO(s)…

A: Recall the given reactions,                          1 2 Pb s  +  O2 g  →  2 PbO s…

Q: 9.71 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: Here we are required to  find the Enthalpy of dissolution of MgSO4.

Q: When 10g of NaSO4 is dissolved in 225 g of water a temperature rise of 0.146 °C is observed If the…

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Q: In determining the heat of neutralization of 50.0 mL of 1.00 M H2SO4 and 50.0 mL of 1.00 M NaOH, a…

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Q: 4.51 g of MgSO, is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

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Q: Calculate ΔH for the reaction; 4NH3(g) + 5O2 (g) => 4NO (g) + 6H2O (g) , from the following data.

A: 2N2 (g) + 2O2 (g) => 4NO(g)   ........equation(1) 6H2 (g) + 3O2 (g) => 6H2O(g)…

Q: What is the enthalpy change when 8.20 moles ammonium chloride form in the following equation?…

A: The given balanced chemical equation is as follows --- N2 (g) + 4 H2 (g) + Cl2 (g)   -->   2…

Q: 10.71 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: density is defined as the mass of an object upon the volume of spaced occupied density d = mass of…

Q: 3.61 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

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Q: Suppose you place 0.a300 gof magnesium dchips in a coffee-cup calorimeter and then add t100.0 ml. of…

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Q: If the dissolution of CaCl2•2H2O (147.02 g/mol) is expected to release 44.8 kJ of energy per mole of…

A: The change in temperature (in oC) if 2.74 grams of CaCl2•2H2O are dissolved in 10.00 mL of water is…