For which of these reactions will the difference between ΔH° and ΔE° be the smallest?   Multiple Choice   N2(g) + 3H2(g) → 2NH3(g)   4PH3(g) → P4(g) + 6H2(g)   H2(g) + Cl2(g) → 2HCl(g)-this is the answer, what's the solution?   CO2(g) + 2H2O(l) → CH4(g) + 2O2(g)

Q: Calculate the change in the Gibbs free energy (ΔGorxn) in J for the decomposition of carbon…

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Q: Which of the following samples of substances is likely to have the largest entropy? 1 mol KCI(aq) 1…

A: The gas phase has highest entropy followed by liquid. Solids have lowest entropy.

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A: The thermal decomposition of molten sodium chloride into elemental gaseous sodium and elemental…

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A: The Gibb’s free energy change is expressed as:

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A: ∆SCH3OH = 126.8 kJ/mol ∆SCH4 = 186.264 kJ/mol ∆So2 = 205 kJ/mol

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Q: 1. Classify the following processes as "Spontaneous" or "Non-spontaneous": (i) (ii) (iii) (iv) (v)…

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Q: For each process predict the sign of the entropy change taking place. A. CaCO3(s) → CaO(s) + CO2(g)…

A: Entropy(S) is defined as the randomness or disorderness of the system. When entropy increases, then…

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Q: Is the reaction Si (s) + 2 H2 (g) --> SiH4 (g) spontaneous under standard conditions at 298 K?…

A: Given, Reaction : Si(s) +2H2(g) →SiH4(g) Temperature, T=298 K

Q: Predict the sign of ΔU, q, and w in the reaction given. 2C₆H₆ (s) + 7O₂ (g) → 4CO₂ (g) + 6H₂O (g)

A: ∆U = +ve q = +ve w = -ve

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Q: VII. Predict the sign of entropy. Write P if it is positive and N for negative. Write your answer on…

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Q: 37. Without doing any calculations, determine the signs of AS and ASur for each chemical reaction.…

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Q: The dissolution of ammonium nitrate occurs spontaneously in water. As NH4NO3 dissolves, the…

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A: Spontaneity of a reaction can be determine from the value of ∆G of reaction.

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Q: Is the formation of ozone (O,(g)) from oxygen (O2(g)) spontaneous at room temperature under standard…

A: Spontaneity of a reaction is decided by the sign of ∆G° of reaction.

Q: Which of the following would be expected to have positive entropy change?   Cooling of nitrogen…

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Q: For the reaction at 298 K, the values of H and S are 58.03 kJ and 176.6 J/K, respectively. What is…

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Q: Suppose that two systems, each composed of two particles repre- sented by circles, have 20 J of…

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Q: In which one of the following processes does the entropy of the system decrease?   A.  Evaporation…

A: Entropy is defined as the disorderness of a thermodynamic system.

Q: Given ΔHrxn = -98.9 kJ and ΔSrxn = - 94.0 J/K at 25 oC for the combination reaction of sulfur…

A: Answer:- This question is answered by using the simple concept of calculation of Standard Gibbs free…

Q: Predict which member of each of the following pairs has the greater standard entropy at 25°C25 °C:…

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Q: 4 NH3 (g) + 5 O2 (g) -4 NO (g) + 6 HzO (g) ArHo = -906 kJ For the reaction above, predict the sign…

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Q: In which of the following processes does the entropy of the system decrease? Select one: H2(g) +…

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Q: Without doing any calculations, determine the sign of AS and ASu for each chemical reaction. In…

A: a) Rewrite the reaction as follows 2CO(g) +02(g) → 2C02(g) The number of moles of gases decreases…

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Q: Predict the sign of ΔSorxn (positive or negative) for the following reactions:…

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Q: Predict which member of each of the following pairs has the greater standard entropy at 25 °C25 °C:…

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Q: In which case will a chemical reaction ALWAYS proceed spontaneously at all temperatures (DH and DS…

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Q: Which of the following processes shows an increase in entropy of the system? 2NO₂(g) → 2NO(g) +…

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Q: In which of the following processes does the entropy of the system decrease? (i) CH4(g) + 2 O2(g)…

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Q: III. Without reference to any data tables, choose which member of the following pairs has the…

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Q: 11. For which of the following reactions will the entropy of the system decrease? A. 2 NH3(g) …

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