The overall reaction in a commercial heat pack can be represented as 4 Fe(s) + 302(9) → 2 Fe, O,(s) AH=-1652 kJ a. How much heat is released when 4.00 moles of iron are reacted with excess Oz? Heat kJ %3D b. How much heat is released when 1.00 mole of Fe2O3 is produced? Heat kJ c. How much heat is released when 1.50 g iron is reacted with excess O2? Heat = kJ d. How much heat is released when 12.8 g Fe and 1.00 g O2 are reacted? Heat = kJ

Q: For the reaction HCI(g) + NH3(g) NHẠCI(s) AG° = -90.0 kJ and AS° =-284.8 J/K at 302 K and 1 atm.…

A: Given reaction; HCl(g) +  NH3 (g)  ----->  NH4Cl(s)  and, ∆G° = -90.0 KJ and ∆S°  = -284.8 J/K at…

Q: For a particular reaction at 25.0°C, ΔG°= 81.7 kJ and ΔH° = 76.3 kJ. What is ΔS° for this reaction,…

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Q: What is AHfm for the following chemical reaction? CO2(g) + 2KOH(s)¬H20(g) + K½CO3(s) You can use the…

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Q: 6.54

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A: Heat of Combustion There are some substance generally organic molecules which reacts with excess…

Q: Consider the reaction:  2H2 + O2 yields to 2H2O     Delta H of the reaction = -484 KJ   What is…

A: The reaction is 2H2 + O2 →2H2O ....∆H = -484 KJ

Q: 5.115 A quantity of 50.0 mL of 0.200 M Ba(OH)2 is mixedwith 50.0 mL of 0.400 M HNO3 in a…

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Q: In a bomb calorimeter containing 230.00 mL of 0.100 M HCI, 0.15 g Al (MW = 27.00 g/mol) was added.…

A: Specific heat of the solution = 4.18 J/g. oC Temperature change = ∆T = 25.50 °C - 23.40 °C = 2.1 °C…

Q: 5) Baking soda decomposes by the following reaction on heating, creating the holes in baked bread.…

A: Only first question is answered according to the policy

Q: Given the following reaction: 4 Fe(s) + 3 O2 (g)  →  2 Fe2O3 (s)  ΔH = -1648 kJ 52.0 g of Fe (MM =…

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

Q: constant-pressure calorimetry experiment, 27.0 mL of 1.00 M HCIO, was mixed with 27.0 mL of 1.00 M…

A: The constant pressure calorimeter is used to measure the change in enthalpy,∆H for a chemical or a…

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Q: Given the following data: Tinitial (°C) Tfinal (°C) H20 50.00 mL 22.46 18.32 NazS,03-5H205.10 g…

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Q: Given the following reactions CaCO3 (s) → CaO (s) + CO2 (g) AH = 178.1 kJ C (s, graphite) + O2(8) →…

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Q: 5.00 g of potassium hydroxide (molar mass = 56.1 g/mol) dissolves in 100.0 g of water and the…

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Q: Please determine the enthalpy (in kJ/mol) of the balanced thermochemical equation when 2.15 g of…

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Q: 5.00 g of potassium hydroxide (molar mass = 56.1 g/mol) dissolves in 100.0 g of water and the…

A: The question can be solved by giveb formula,  Q=m×C×dT where Q = heat energy (Joules, J),  m = mass…

Q: Consider the combustion of liquid methanol, CH3OH1l2:CH3OH1l2 + 32O21g2¡ CO21g2 + 2 H2O1l2ΔH =…

A: Since your question has multiple sub-parts, we will answer the first three sub-parts for you. If you…

Q: The density of all solutions are 1.0g/mL and their respective heat capacities 4.184J/g.K.…

A: The heat of reaction qr can be calculated by this general formula  Q = mC (change in temperature)…

Q: A sample of 0.552 g of metal x (molar mass= 113 g/mol) was reacted with 150 mL of 1.0 M HCl in a…

A: Given - mass of metal x = 0.552 g             Molar mass of metal x = 113 g/mol            Volume of…

Q: For the reaction 2 H2(g) + O2(g) →2 H2O(g) AG° = -460.4 kJ and AS° = -88.9 J/K at 261 K and 1 atm.…

A: The reaction given is, => 2 H2 (g) + O2 (g) ------> 2 H2O (g) Given : ΔGo = -460.4 KJ =…

Q: Determine the standard enthalpy of formation for butane, using the following data in kJ/mole:…

A: 1- First multiple by with 4 in second equation.  4C(s, gr) + 4O2(g) -----> 4CO2(g)  ∆H4 = 4 (…

Q: How much heat is evolved or absorbed when 5 grams of Ag (s) is oxidized to form Ag2O at 298.15 K and…

A: Reaction equation :  2Ag + O2 →           Ag2OEnthalpy of formation = -31.05 kJmolMolar mass of Ag =…

Q: Given the following data: Solution Conc. (M) Volume (ml) Tiitial ("C) Ttnal NaOH 0.750 50.00 19.84…

A: The detailed solution of your question given below-- Since ,we know that in this process the…

Q: a. Calculate the theoretical heat of reaction between the Zn and copper sulphate using the following…

A: For question A,  we use the given formula to calculate the theoretical heat of reaction.

Q: Limestone stalactites and stalagmites are formed in caves bythe following reaction:Ca2+ (aq) + 2…

A: The chemical reaction is as follows:

Q: What is AHan for the following chemical reaction? Со-() + 2кон(s) -Н-0(g) + К2CO3(s) You can use the…

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Q: 6. Given that the AH for CaO, H3PO4, Ca3(PO4)2 and H2O, are, respectively, -635, -1267, -4126, and –…

A: Answer (a): ∆H of the reaction is -545 KJ. Here negative sign indicate the release of energy or…

Q: Calculate the heat of neutralization (kJ/mole) for the reaction of 50.0 mL of 0.177 M potassium…

A: The reaction taking place between is, 2KOH+H2SO4 →  K2SO4+2H2O Calculate number of moles of KOH and…

Q: Consider the following reactions: W(s) + C(graphite) ---> WC(s) What is the enthalpy of reaction (in…

A: Interpretation-  To determine the enthalpy of the reaction ( in KJ) which is given as   W(s)   +…

Q: A metal sample weighing 51.0 g and at a temperature of 100.0 oC was placed in 38.8 g of water at…

A: Hey, since there are subpart questions posted, we will answer first three questions. If you want any…

Q: When 1 g of material X(molar mass= 40/g/mol) was dissolved in a beaker containing 35.0 ml of 1 M HCI…

A: The question is based on the concept of specific heat capacity.   it is defined as the amount of…

Q: A 0.75 g sample of KCl is added to 50.0 g of H20 in a Styrofoam cup and stirred until it dissolves.…

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Q: To a test tube containing 10.0 ml of 0.50 M HCl solution in a calorimeter, 0.05482 g  of solid MgO…

A: Volume of the HCl solution = 10 mL Mass of solid MgO = 0.05482 g Change in temperature (∆T) = 6.20C…

Q: If a 136.51 g Al rod (c = 0.900 J/g ° C) is at 100.0 ° C and placed into 250.0 g of water at 21.8 °…

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Q: The following combustion reaction was carried out using 3.88 g O2 and excess CH4. CH4 + 2O2 → CO2 +…

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Q: n a coffee cup calorimeter 2.5 grams of NaOH is added 50.00 gram of water.  The water was at 22.0oC.…

A: specific heat capacity of a substance can be given by the following formula : Where q is the heat…

Q: What is the enthalpy of reaction,change in heat, for the formation of tungsten carbide,WC,from its…

A: given :  2W(s) + 3O(g) ---->. 2WO(s)  ∆H= - 1685.8 KJ......A C(graf.)+ O2(g) -------> CO2(g)…

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Q: In a coffee cup calorimeter, 10.0mL of 1.00M AgNo3 and 10.0mLof 1.00M NaCl are mixed and the…

A: Volume of 1M AgNO3 solution = V1 = 10.0 mLVolume of 1M NaCl solution = 10.0 mL = V2V = V1 + V2V =…

Q: A quantity of 100.0 mL of 1.0 M HCl and 100.0 mL of 1.0 M NaOH are mixed in a calorimeter. The…

A: