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 Is the dissolution of ammonium nitrate endothermic or exothermic? Justify your answer.

Q: For the reaction below at constant pressure and 298 K, ΔSsurroundings = ____ kJ/mol.   N2(g) +…

A: ∆S(surrounding) = - ∆H / T

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…

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A: The ΔH°f of Ar(g) is 1.positive. 2.negative. 3.zero. 4.must be determined experimentally

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A: Given, balanced chemical reaction as follows,2 NOCl(g) → N2(g) + O2(g) + Cl2(g)standard heat of…

Q: Time Consider the reaction represented by the equation 2X + 22 - X,Z,. During a reaction in which a…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The decomposition of ammonium chloride produces an ammonium ion and chloride ion in solution.…

A: Decomposition of ammonium chloride is an endothermic process

Q: A mixture of N2O3, NO, and NO2 are mixed in a reaction vessel and allowed to reach equilibrium.…

A: “Hello. Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: FeO

A: ∆H°rxn = [ ∆H°f(Fe2O3) ] - [ ∆H°f(FeO) + ∆H°f(Fe) + ∆H°f(O2) ]  ∆H°rxn = [ -822.16 kJmol-1 ] - […

Q: Use ΔHf0  listed below to calculate ΔH0rxn for  the reaction                   C     +   4 HNO3…

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A: The mass of solution is calculated as shown,

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A: NO, decomposition of silver (I) Oxide is not favored at 25 deg C.

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

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Q: Consider the following reaction and its associated ΔHrxn. CH3OH=CO+2H2,   ΔHrxn = 90.70 kJ/mol…

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

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

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Q: Calculate the ΔH for the reaction: Na2O (s) + SO3 (g) -->  Na2SO4 (g) ΔH

A: Target equation :- Na2O (s) + SO3 (g) -->  Na2SO4 (g)…

Q: 1. A student conducts an investigation to determine the heat of neutralization when 60.0 mL of 0.500…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

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Q: If AH = -73.54 kJ for a chemical reaction, that reaction Endothermic Spontaneous Exothermic…

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Q: According to the following reaction, how much energy is evolved during the reaction of 32.5 g B2H6…

A: Given reaction: B2H6 (g) + 6Cl2 (g) → 2BCl3 (g) + 6HCl (g)  ∆H∘rxn = -1396 kJ We have to calculate…

Q: Calculate the ΔH for the reaction: C2H4 (g) + H2 (g) --> C2H6 (g), from the following data:   C2H4…

A:

Q: The solubility of AgCl(s) in water at 25 °C is 1.33 * 10 - 5 mol/L and its ΔH° of solution is 65.7…

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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…

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Q: 9. Sulfuryl dichloride is formed when sulfur dioxide reacts with chlorine. The data refer to 298K.…

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

A: Dissolution of ammonium nitrate in water is endothermic reaction. It absorbs heat from the system

Q: Upon heating, baking soda decomposes as follows, creating the holes in baked bread: 2NaHCO3​(s) -->…

A: 39.0 g of NaHCO3 decomposes to produce energy of -30.0 kJ39.0 g of NaHCO3=39.0 g of NaHCO3×1 mole of…

Q: Consider the reaction: 3CH4(g) → C3H8(g) + 2H2(g) a. Calculate Gof at 298 K (From Appendix C Gof…

A: According to the question, The reaction is as follows, 3CH4(g) → C3H8(g) + 2H2(g) The value for the…

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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: . Use Appendix G (Links to an external site.). to calculate ΔS°rxn for the following reaction.…

A: This question can be solves using Hess's law of constant heat summation.

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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.…

Q: Predict the normal boiling point of hydrogen peroxide (H2O2) from the following data:     ΔHºf,…

A: Given that :   ΔHºf, kJ/mol Sº, J/(mol • K) H2O2(ℓ)  –187.8  110 H2O2(g)  –136.3  233

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A: In this question, we have to find out the correct answer of given problem by the help of the…