A chemical process has an enthalpy change of AH = -43.6 kJ mol¹ and an entropy change of AS = 238.0 J mol¹ K¹ at a temperature of 74.1°C. What is the free energy change AG for this process, in "kJ/mol"? Answer:

Q: For a certain chemical reaction, AH" = +9.8 kJ and AS = +30.0 J/K. a) Is the reaction endothermic or…

A: The More the Negative value Of gibbs free energy more spontaneous  will  be reaction.

Q: Ice melts at 273.15 K with AHfus = 6.01 kJ/mol. An ice cube of mass 38.2 g is dropped into a…

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Q: 19) The value of AH° for the following reaction is -3351 kJ: 2Al (s) + 302(g) - 2Al2O3(s) The value…

A: Step 1: The standard enthalpy of the formation of an element in its most stable form is zero. Hence,…

Q: According to the table, if a process is spontaneous and has a positive AS, what must be true of its…

A: Gibbs free energy change(∆G), entropy change(∆S), and enthalpy change(∆H) are related through the…

Q: Consider the reaction: H,CO(g)+O,(g) → CO,(g)+H,O(1) Using standard thermodynamic data at 298 K,…

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Q: Consider the following reaction: 2Mg(s) + 02(g) → 2M90 AH = -1204kJ How many kilojoules of heat are…

A: 1- First we will calculate the  moles of MgO(s)  moles = [ mass / molar mass ]  moles = [ 7.50g /…

Q: Given the values of AH and AS, which of the following changes will be spontaneous at constant T and…

A: For any reaction to be spontaneous, the value of ΔG of the reaction should be -ve. The relationship…

Q: For the reaction 2Fe(s) + 3Cl2(g) → 2FeCl3 (s) AG° = 653 kJ and AS° = -440.3 J/K at 331 K and 1 atm.…

A: Details

Q: 5.2 c  The diagram on the far left in the row showsa system before a process. Which of thediagrams…

A: According to first law of thermodynamics, the internal energy change of the system is equal to the…

Q: Given the values of AH and AS, which of the following changes will be spontaneous at constant T and…

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Q: 8) What mass of ethylene glycol (M.W. = 62.1 g/mol) antifreeze must be added to 8.0 liters of water…

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Q: Calculate AS values for the following reactions by using tabulated Sº values from Appendix C. (a) 2…

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Q: (22) Using the provided tabulated values, calculate AS"ran for the following reaction that occurs at…

A: Options : C) 278.2 k/J     Given : Following Reaction, CS2(g) + 3Cl2(g)   → CCl4(g)  + S2Cl2(g)…

Q: The value of ΔH° for the reaction below is -126 kJ.  The enthalpy change accompanying the reaction…

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Q: For iron, Fe, the heat of fusion at its normal melting point of 1535 °C is 16.2 kJ/mol. The entropy…

A: The heat of the fusion of iron at a normal melting point is 16.2 kJ/mol. It states that when one…

Q: Given the values of AH and AS, which of the following changes will be spontaneous at constant T and…

A: Given that, the enthalpy changes (∆H) and entropy changes (∆S) for some cases are as follows ---…

Q: Consider the combustion of ethane: 2C2H6 + 7O2 --> 4CO2 + 6H2O Substance ΔHf C2H6 -84.7 O2 0 CO2…

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Q: 2 A particular vinegar solution has a H₂O concentration of 0.0185 M. What is the pOH of the…

A: 1. pH = - log[H+] 2. pH + pOH = 14   3. H3O+ <---> H2O + H+  Above ions are in spontaneous…

Q: Calculate AS for the following reaction using the table below: NO (g) + O3 (g) = NO2 (g) + O2 (g)…

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Q: Hint:[ (molar mass of H-1, N-14g/mol), (R-0.0821 L.atm/K.mol), (The specific heat of water is…

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Q: Calculate (delta)So values for the following reactions by using tabulated So values from Appendix C.…

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Q: The following thermochemical equation is for the reaction of hydrogen sulfide(g) with water(l) to…

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Q: A certain reaction has a AG° = 419.0 kJ at 298 K. The value of AS° for this reaction is 188.0 J/K.…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: What is the boiling point water at the top of Mt Everest (atmospheric pressure = 0.54 atm)?…

A: Pressure, P◦ = 1 atm Pressure of water vapor, P = 0.54 atm Gas constant, R = 8.314 J/mol.K The…

Q: Ice melts at 273.15 K with AHfus = 6.01 kJ/mol. An ice cube of mass 43.9 g is dropped into a…

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Q: The heat of vaporization AH, of acetonitrile (CH3CN) is 29.8 kJ/mol. Calculate the change in entropy…

A: Mass of acetonitrile = 5.9 g  Temperature = 81.6°C or 354.6 K

Q: Suppose the brain needs to metabolizes about 4 g glucose (C6H1206, 180 g/mol) per hour. Assuming…

A: Applying basic concepts of moles calculation with energy of given reaction.

Q: 2N20(s) 2N2(s) + O2(g) has AH° = -163.14 kJ. What is the value of AE for the decomposition of 102 g…

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Q: NH3(g) + 3 F2(g) → NF3(g) + 3 HF(g) The fluorination of ammonia is represented by the balanced…

A: We have given that NH3(g) + 3F2(g)   →  NF3(g) + 3HF(g)  ∆Gf  of NH3(g)  = -16KJ/mole ∆Gf   of…

Q: B) 0.86 s or the reaction -CO₂) C+1/2020 Cay+ O₂ C) 0.69 s¹ AG=?? AG-454.4 kJ AG=-257.2 kJ C) 197.2…

A: Ideal gas equation is a equation which obese gas laws under all conditions of temperature and…

Q: Determine AS° for 2 03(g) → 3 O₂(g). Substance S° (J/mol.K) 03 (9) 239 205 O2 (g)

A: Given: So(O3g)=239 J/mol·KSo(O2g)=205 J/mol·K

Q: For each of the following processes, indicate whether the signs of S and H are expected to be…

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