Dissolution of Ammonium Nitrate mass of water: 200 g   initial temperature of water: 20°C final temperature of water: 18.13°C qwater: -1564.816 J qdissolution: -1603.9364 mass of solid NH4NO3: 5.0 g moles of solid NH4NO3: 0.0623 ΔH of NH4NO3 dissolution: 25.69 kJ/mol One of the components in commercially available ice packs is ammonium nitrate. From the results of your simulation, explain how ammonium nitrate is an effective material for ice packs

Q: chapter 12:  9) What are ΔH°rxn, ΔS°rxn, and ΔG239.0 K for the following reactions at 239.0 K?…

A: Given Temperature = 239.0°K Compound ΔHºf (kJ/mol) Sº (J/mol • K)  H2S(g)  –20.17  205.6…

Q: Hydrogen reacts with nitrogen to form ammonia (NH3) according to the following reaction: 3 H2 (g) +…

A:

Q: Consider the balanced reaction 3 A + 7 B → 3 C + 7 D and the absolute entropies provided in the…

A:

Q: Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this…

A: The given equilibrium reaction is  2 NO(g) ---------->  N2(g) + O2(g) The enthalpy change at 298…

Q: The deltaH of formation of MnO2 (s) is -520.0 kJ. Given that and the following data: 2Mn (s) + O2…

A:

Q: Using the values provided in the table below, calculate ΔS for the following reaction: 3H2SO4(l) +…

A: Entropy represents the degree of randomness. And ΔS is the difference in entropy of products and…

Q: Calculate G°rxn for the combustion of propane, based on the reaction and thermochemical data shown…

A: ∆Grxn∘ = ∑∆Gf∘ (Products) - ∑∆Gf∘ (Reactants)

Q: For the reaction2CO(g) + 2NO(g)2CO2(g) + N2(g)ΔH° = -746.6 kJ and ΔS° = -198.0 J/KThe maximum amount…

A: The given balanced equation can be expressed as: Calculate the standard free energy by using the…

Q: 8. Consider the reaction at 25°c 4 Cuo (s) → 2 Cu20 (s) O2 (g) + Calculate AS' for the reaction.…

A: Given :

Q: calculate ΔSº for the reaction below: N2(g), O2(g), & NO(g), respectively, is 191.5, 205.0, & 210.6…

A: Given, Reaction is : N2 (g) +O2 (g) --------------->  2NO (g) Entropy of N2 (g) = 191.5 J/mol.K…

Q: Determine AG for the following reaction: CO₂(g) + 2H₂O(1) CH4(g) + 202(g) Substance AG(kJ/mol)…

A:

Q: Calculate the ÄE°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.…

A:

Q: What is the entropy change (in J/K) associated with the formation of 15.0 g of SO2 for the reaction…

A:

Q: The addition of 121  g potassium fluoride to 591  mL of water (d = 1.00 g/mL) causes the temperature…

A: The mass of solution is calculated as shown,

Q: Given that ΔG0f  for SF6 = -1105 kj/mol, and  ΔG0reaction = -374 kj/mol, what is ΔG0f  for SF4 in…

A: Given:  ΔG0f for  SF6 = -1105 kJ/mol ΔG0f for  F2 = 0 kJ/mol ΔG0reaction = -374 kJ/mol

Q: 6. Calculate AG for the combustion of propane. C3H8(g) + 50₂(g) → 3CO₂(g) + 4H₂O(g) C3H8(g) -24.5…

A:

Q: I Review Part A Standard Thermodynamic Quantities for Selected Substances at 25 °C Reactant The…

A:

Q: What is ΔG°rxn in kJ/mol for the following reaction at 406 Kelvin? Please report 2 decimal places,…

A:

Q: Dissolution of Ammonium Nitrate mass of water: 200 g initial temperature of water: 20°C final…

A: An Exothermic Process is one in which heat is released during the process. An Endothermic Process is…

Q: General Chemistry student performed the “Thermochemistry” lab and obtained the following results:…

A: The mass of KCl is 5.550 g. The volume of water is 0.0450 L. The value of ∆T is -15.0 C.

Q: Calculate the enthalpy change (ΔH) for this reaction and determine if the reaction is endothermic or…

A: Given reaction is: 2CaO (s) + 2SO2 (g) + O2 (g) → 2CaSO4 (s)  To find: Enthalpy change of the given…

Q: Calculate the ÄE°yn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.…

A:

Q: For a particular reaction at 140.6 °C, AG = 560.53 kJ/mol, and AS = 131.79 J/(mol · K). Calculate AG…

A: It is based on chemical thermodynamics concept. we have to calculate Gibbs free energy change for…

Q: CaCl2 (MM = 110.98 g/mol) is used as road salt in the winter to minimize the accumulation of ice on…

A: On adding dissolving CaCl2, the temperature will change from initial value. Heat absorbed by water…

Q: The value of ΔH° for the reaction below is −5314 kJ.  The amount of heat that is released by the…

A: Balanced chemical equation: 2C4H10(g) + 13O2(g)  → 8CO2(g) + 10H2O(l)      ΔH° =  −5314 kJ From the…

Q: What is the lowest temperature at which the reaction of C(s) with H2O(g) to produce H2(g) and CO(g)?…

A: The lowest temperature would be 981..3153°C.

Q: If ΔS ̊sys = -198.3 J/K, is the reaction spontaneous at 25 ̊C. -ΔSuniv = ΔSsys + ΔSsurr > ? -…

A: Enthalpy change of the reaction can be calculated as the difference between the enthalpy of…

Q: Suppose that two systems, each composed of two particles rep- resented by circles, have 20 J of…

A: Entropy is a measure of the extent of energy dispersal, and it rises with the number of comparable…

Q: For a reaction   ΔH= -4.7 kJ  and  ΔS= -69.5 J/K at 25 oC.  Determine the ΔG for this reaction

A: The question is solved using Gibbs – Helmoholtz equation.

Q: For the combustion of carbon monoxide; CO + 1/2 02→ CO, find the ratio of the equilibrium constants…

A:

Q: Calcium carbonate decomposes according to the following reaction.…

A: Hey, since you are posted a question with multiple sub-parts, we will answer first three sub-parts.…