If there are two chemical reactions: #1 with change in Gibbs free energy of -25 kJ/mol; and #2 with a change in Gibbs free- energy of -5 kJ/mol which one is more spontaneous?

Q: Determine ΔH for the third reaction from the information given. S(s) + O2(g) ↔ SO2(g) ΔH = -296.1…

A: Given;

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Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

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

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Q: is true of false? (a) The second law of thermodynamics says that entropy is conserved. (b) If the…

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Q: Calculate the standard change in Gibbs free energy, AG•rxn, for the given reaction at 25.0 °C.…

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Q: When 50.0 mL of 0.987 M H2SO4 is added to 25.0 mL of 2.00 M NaOH at 25.0 °C in a calorimeter, the…

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Q: Carbon monoxide and nitrogen monoxide gases combine to form carbon dioxide and nitrogen gases…

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Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

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Q: Given that: ΔHof [NO2(g)] = +34.0 kJ mol−1 ΔHof [NO(g)] = +90.0 kJ mol−1 What is the standard…

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Q: 17. A solution of 75.0 mL of 3.20 M HNO3 was mixed with 50.0 mL of 2.00 M Ca(OH)2 in a large…

A: A solution of 75.0 mL of 3.20 M HNO3 was mixed with 50.0 mL of 2.00 M CaOH2 solution .The…

Q: The ΔrH for the oxidation of solid sulfur to SO3 is -396  kJmol−1 and for the oxidation of SO2 to…

A: To solve this problem we will use the given enthalpy of formation to calculate the enthalpy of…

Q: Determine ΔH for the reaction of 50.0 g SO3 with MgO at 25°C. Values of ΔHf are −602 kJ/mol for MgO,…

A: For a reaction         A+B →C   dHreaction =Σ Hf products-Σ Hf (Reactants)    (where Hf =Heat…

Q: For the chemical reaction O3(g) + OH(g) → 2 O2(g) + H(g), DrGq = 5.8 kJ/mol  at 298 K, 0 J/mol at…

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Q: An endothermic reaction can be demonstrated by freezing an Erlenmeyer flask to a piece of plywood…

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Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

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Q: 1. From the following enthalpy changes, S (s) + 3/2 O₂ (g) → SO3(g) 2 SO₂ (g) + O₂(g) → 2 SO3 (g)…

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Q: Consider the equilibrium reaction of CO (g) with H2 (g) to form CH3OH (g). For this reaction, ΔH <…

A: The reaction of CO with H2 forms methanol CH3OH. Write the complete reaction. COg+2H2g→CH3OHg

Q: Determine the enthalpy of reaction for HCI(g) + NaNO2(s) -> HNO2 (l) + NaCl(s) 2NaCl(s) + H2O(l) →…

A: Given data 2NaCl(s) + H2O(l) → 2HCI(g) + Na2O(s); ∆H ° =-507.1 kJ/mol NO(g) + NO2(g) + Na2O(s)→…

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A: The given equation is not balanced, so the first step is to balance the equation.  CH4 (g) + 3Cl2…

Q: reagents inside a simple calorimeter. The outside of the calorimeter is made of an aluminum cup with…

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Q: Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl, (s) + H,O(1)…

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Q: Considering the limiting reactant, how much heat is produced at constant pressure if 0.243 g of…

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Q: Carbon monoxide and nitrogen monoxide gases combine to form carbon dioxide and nitrogen gases…

A: 2CO(g) + 2NO(g) ↔2CO2(g)+ N2 (g) Given : ∆G0 =-689.6KJ The partial pressures of the gases are PCO =…

Q: For a reaction, the enthalpy change is –210 kJ, the entropy change is –170 J/mol.K  and the…

A: Given that: dH° = -210KJ dS° = -170J/K.mol = -(170J×1KJ/1000J)/K.mol = -0.170KJ/K.mol T = 400K

Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

A: Enthalpy of reaction is defined as Change in enthalpy of products minus change in enthalpy of…

Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

A: The standard conditions are:  Product ∆Hf KJ/mol Mg(OH)2 s   -924.7 HCl(g) -92.5 Mg(Cl)2 s…

Q: Calculate the standard enthalpy, entropy, and Gibbs free energy at 298 K for the reaction shown,…

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Q: Given the standard enthalpy changes for the following two reactions: (1) 2Zn(s) + O2(g)2ZNO(s).....…

A: Given: The reaction are as follows: 2Zn(s) + O2(g)------&gt;2ZnO(s)                      ∆H0=-696.6…

Q: When temperature increases from – 15.0 °C to + 15.0 °C, the thermodynamic equilibrium constant for…

A: We from the known formula, we can substitute the ratio of the equilibrium constants at T1 and T2…

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 30.0 °C is -61.4 kJ.…

A: Given standard Gibbs free energy, ∆Go = - 61.4 kJ  temperature, T = 30.0 + 273.15 = 303.15 K

Q: Explain Enthalpy and Entropy ? Show the Difference between them ?

A: Enthalpy and entropy are the thermodynamic properties of a system. They are one of the most…

Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

A: Ans