What is ΔSsurr for a reaction at 28.6 °C with ΔHsys = 38.9 kJ mol-1 ? Express your answer in J mol-1 K-1 to at least two significant figures.

Q: When 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HClare mixed in a constant-pressure…

A: Given   The volume of AgNO3 and HCl is 50.0 mL. The concentration of AgNO3 and HCl is 0.100 M. The…

Q: What is that the entropy change of the universe (J/mol-K) when the entropy change of the system is…

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Q: What is the equilibrium constant for a reaction at temperature 58.7 °C if the equilibrium constant…

A: Given,  T2 = 58.7 + 273 = 331.7  K T1 =273 + 21.1 = 294.1 K K1 = 27.1 □H = 14.7 kJ/mol Using  Von't…

Q: For the gaseous reaction of carbon monoxide and chlorine to form phosgene (COCl2), perform the…

A: Given,ΔHo = −220. kJ/molΔGo = −206 kJ/molTemperature = 298 K

Q: Calculate the value of ΔE and ΔH on heating 64.0 g of oxygen from 0 degree celcious  to 100 degree…

A: The ΔE is the internal energy that is stored within the system while ΔH is the enthalpy of the…

Q: SCl4(g) + 2 O2(g) ΔHo = 40.2 kJ/mol and ΔSo = 132.3 J/K.mol. What is the equilibrium constant for…

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Q: The values of ΔfHo(298 K) for SO2(g) and SO3(g) are –296.8 and –395.7 kJ mol–1. What is the value of…

A: Heat of formation is defined as the change of enthalpy when one mole of a substance is formed from…

Q: A reaction has values ΔS = 78.3 J K-1 mol-1 and ΔH = 46.5 kJ mol-1. At what temperature (in °C) will…

A: For a reaction becoming spontaneous the value of ∆G must be negative.

Q: Consider the following reaction: SO2(g) + 1/2 O2(g) → SO3(g) Calculate ΔGorxn (in kJ) at 298 K.…

A: To determine delta G , first we will calculate deltaH and deltaS for reaction  . After that we will…

Q: Consider the following reaction: 2 N2O (g) + 3 O2 (g) - > 4 NO2 (g) Standard thermodynamic values…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: If Kc=0.485 at 40.°C and Kc=0.620 at 90.°C, what is ΔH° for the reaction?

A: Van’t Hoff equation relates the change in the equilibrium constant, K to change in the temperature…

Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

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Q: What is the total entropy change when 1.50 mol of water (ΔHfus = 6.01 kJ/mol) freezes at 0.0 °C in a…

A: To calculate the total entropy change when water freezes, we need to consider the entropy change…

Q: ΔH for the reaction Ag (s) + 1/2 Cl2 (g) ---> AgCl (s) is -127 kJ.  The value of  ΔH for the…

A: A multiple choice question based on enthalpy change, which is to be accomplished.

Q: What is the ΔHorxn for the production of propane, C3H8, given the following reaction enthalpies:…

A: We have given that  What is the ΔHorxn for the production of propane, C3H8, given the following…

Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

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Q: Derive an expression for ΔS for an isothermal pressure change of an ideal gas. Then, calculate ΔS…

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Q: NO2

A: Given values - Kp = 4.15 × 10^-50 T = 523K

Q: Assume that a particular reaction evolves 229 kJ of heat and that 27 kJ of PV work is gained by the…

A: The objective of the question is to calculate the change in internal energy (ΔE) for the system, the…

Q: Use the data from this table of thermodynamic properties to calculate the values of Δ⁢Srxn∘ for each…

A: a) 2CO(g) + O2(g) ⟶ 2⁢CO2⁢(g) Standard entropy (S°) CO(g) = 197.674 J/mol.K O2(g) = 205.138 J/mol.K…

Q: The reaction                         C6H12O6 + 6O2  →  6CO2 + 6H2O ΔHo = −1072 kJ/mol and ΔSo =…

A: For the given reaction,  ∆H° = -1072 kJ /mol = -1072 × 103 J mol-1 ∆S° = 578 J K-1 mol-1 T = 37 ℃ =…

Q: Calculate ΔGo and K for the reaction; NO + O3 → NO2 + O2 Is the size of the equilibrium constant…

A: The value of ΔG◦f for molecules at 298.15 K NO – 86.55 kJ/mol O3 – 163.2 kJ/ mol NO2 – 51.31 kJ/ mol…

Q: The heat of vaporization of water at 373 K is 40.7 kJ>mol. Find q, w, ΔE, and ΔH for the…

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Q: Do not give handwriting solution. Calculate the entropy change, ΔS, for the following processes. If…

A: Entropy (S) is a parameter that is related to the disorders present in the system. The entropy value…

Q: For an exothermic reaction

A: An exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH is negative.…

Q: Calculate ΔH for the reactionNO(g) + O(g)---->NO2(g)given the following information:NO(g) + O3(g)…

A: The given chemical equations are represented as modified equations given below.

Q: What is ΔrH for a reaction that has ΔrG = 48.5 kJ mol-1 and ΔrS = -12.3 J mol-1 K-1 at -16.6 °C?…

A: Given: ∆rG = 48.5 KJmol-1 ∆rS = -12.3 J K-1mol-1 T = -16.6 oC = (-16.6 + 273) K = 256.4 K To…