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

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

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A: Enthalpy change is defined as the amount of heat released or absorbed in a chemical reaction. It is…

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

A:

Q: Substance: AH (kJ-mol¹¹) So (J.K¹-mol-¹) Use the data shown below, to calculate AH°rxn and AS°rxn at…

A: ∆°Hrxn = Σni∆H°f(Product) - Σni∆H°f(Reactant)Where, ni and ∆°Hf are stoichiometric coefficients and…

Q: 7. When determining the energy of a reaction where 0.250 mol of a substance with a ΔΗ. = -2250.0…

A:

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

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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: 77. For the reaction SbCls(g) AG (SbCls)=-334.34 kJ/mol SbCl3(g) + Cl2(g), AG°f (SbC13)=-301.25…

A: The objective of this question is to calculate the equilibrium constant (Kp) for the given reaction…

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

A: Given :

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

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

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…

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Q: 2 A (g) + B (g) -> 2 C (s) ΔHº = ‒75.0 kJ ΔSº = ‒150.0 J/K ΔGº= -30.3 kJ iv. 0.100 atm of A,…

A: Given:- For this reaction :- 2 A (g) + B (g) ⇒ 2 C (s) ΔHº = ‒75.0 kJ  ΔSº = ‒150.0 J/K  ΔGº= -30.3…

Q: Nitesh

A: The objective of the question is to calculate the change in Gibbs free energy (ΔG) for a reaction at…

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

A: we have to select the correct option for the given reaction

Q: Determine the ΔS0rxn of the reaction below:    N2H4(l) + N2O4(g) → N2(g) + H2O(g) ΔS0f (J/K)…

A: Ans

Q: Solid carbon graphite reacts with oxygen gas to release of 393.7 kJ per mole of carbon dioxide gas…

A:

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: Consider the following generic reaction: A+2B→C+3D with ΔH = 111 kJ . Determine the value of ΔH for…

A:

Q: Q3: Consider the reaction, NO+ONO+O using the data in the table. Calculate AG of the reaction.

A:

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

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A: We have to predict the ratio of [G1P] to [G6P]

Q: for this reaction: H2O(g) →  H2O(l) → (gets hot, s

A: When water changes its states from gas to liquid there is a change in states of water from gaseous…

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: 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…

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.

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: Consider the dissolution process of solid NaOH in water, where the solution temperature increases.…

A: Given,The dissolution process of solid NaOH in water, where the solution temperature increases.

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.