For a reaction, the value of the equilibrium constant Kc is 0.0150, at 300oC. Determine the value of ∆Go for the reaction, in kJ/mol

Q: Which process has a larger entropy change: melting ice or boiling water? Explain.

A: The entropy is the degree of randomness or disorder of matter. Gas particles have higher kinetic…

Q: If ΔHΔHDH = -70.0 kJkJ and ΔSΔSDS = -0.200 kJ/KkJ/K , the reaction is spontaneous below a certain…

A: In this question we want to determine the temperature ( below this Temperature Reaction is…

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.

Q: Which of the following statements concerning entropy is/are CORRECT?   1. The entropy of a…

A: The entropy measures the randomness of a system. The entropy of a system will be higher at a higher…

Q: Rank each set of substances in order of increasing standard molar entropy (S"). Explain your…

A: a) The entropy of the substance directly proportional to the molar mass of the substance, The order…

Q: Which process results in the increase in entropy of the universe? a) the cooling of a hot cup of…

A: To find: The process which results in the increase in the entropy of the universe.

Q: Calculate the entropy change for the freezing of 112 g of ethanol, C2H5OH, at its freezing point of…

A: The entropy of a liquid is higher than the solid, hence during the freezing, the entropy of the…

Q: The Second Law of Thermodynamics states, the entropy of the universe is always increasing, ∆Suni >…

A: A question about second law of thermodynamics, which is to be accomplished.

Q: Predict which substance has greater molar entropy. Explain.(a) CH3OH(l) or C2H5OH(l)             (b)…

A: Standard molar entropy termed as the degree of randomness oof one mol of a sample under standard…

Q: Arrange each group in order of decreasing standard molar entropy (S°). Explain.(a) ClO4-(aq),…

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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: certain substance has an enthalpy of fusion of 4.73 kJ/mol and an entropy of fusion of 21.2 J/mol/K.…

A: We know ∆H=∆S×T ∆H=4730j/mol ∆S=21.2j/mol/k So T=4730÷21.2=223.11k

Q: Arrange the following sets of systems in order of increasing entropy. Assume one mole of each…

A: Entropy is an extensive quantity, which measures the random activity in a particular system. Entropy…

Q: Arrange the following sets of systems in order of increasing entropy. Assume one mole of each…

A: Entropy is a measure of randomness of a system. It is denoted by capital letter 'S' and its value…

Q: Predict the sign of the entropy change for the following reactions or processes Evaporation…

A: Using concept of entropy Solid /<liquid<gas  Entropy change passively.

Q: If a process is exothermic and not spontaneous, then what must be true?     ∆S 0   ∆H > 0   ∆H…

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Q: Calculate the free-energy change for the synthesis of ammonia at 25°C given the following sets of…

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Q: Energy > The image below shows two confgurations of a system of 4 particles. Energy levels increase…

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Q: 15. The entropy will usually increase when I. a molecule is broken into two or more smaller…

A: Entropy is randomness of particle. Entropy is extensive property and state function as well. It…

Q: reaction has the following thermochemical values at 273.15 K: ΔH = -184.8 kJ mol-1 ΔS = -166.6 J…

A: Given,  ΔH = -184.8 kJ mol-1 ΔS = -166.6 J mol-1K-1 Temperature = 273.15 K

Q: Indicate which substance in the given pairs has a higher entropy value. Explain your choices. (a)…

A: Entropy is a measure of degree of randomness of the system. As the randomness of the system…

Q: State whether the sign of the entropy change expected for each of the following processes will be…

A: Answer :             1. ∆S is negative.             2. ∆S is positive. Explanation :            We…

Q: Calculate the DeltaG° rxn using the following information at 25°C. And determine wether the reaction…

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Q: Calculate the value of the free energy change, ΔG, for the reaction below at 227.0ºC when the…

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Q: N,(g) + 0,(s) + heat ® 2 NO (g) A) Does the tendency to minimum enthalpy favor reactants or…

A: Tendency of minimum enthalpy and maximum entropy can favour products or reactants of a reaction…

Q: Which has the highest entropy, S? A. 1 mole of I2(s) at 298 K, 1 atm B.1 mole of F2(g) at 298 K, 1…

A: Which one has highest entropy should be written.

Q: Arrange the following in order of increasing entropy, from smallest to largest value. 1.00 g Br2…

A: Entropy is a measure of randomness.  Entropy is high for gases and negligible or low for solids.

Q: If heat from the surroundings was absorbed by the system, and the products were more ordered than…

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Q: The heat of vaporization of methanol, CH3OH, is 35.20 kJ/mol. Its boiling point is 64.6°C. What is…

A: The change in entropy  for the vaporization of methanol has to be calculated, Given: The heat of…

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

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Q: 10.43 Which reaction occurs with the greater increase in entropy? Explain yo (b) Br,(g) + Cl,(g)→ 2…

A: 10.43 has been solved. For 10.47 b, more data is needed from the table.  Entropy is the measure of…

Q: For a particular reaction, ΔH∘=20.1 kJ and ΔS∘=45.9 J/K. Assuming these values change very little…

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Q: Given these values, ΔHorxn = +75 kJ; ΔSorxn = +120 J/K; T = 298 K; calculatethe free energy change…

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Q: Indicate which substance in the given pairs has the higher entropy value. Explain your choices.(a)…

A: Comparison between the entropy values in the given pairs of substances is asked.  Note: Values of…

Q: The entropy will usually increase when I. a molecule is broken into two or more smaller molecules.…

A: Entropy can be defined as the randomness or disorderness. Higher the number of gaseous molecules,…

Q: Arrange the following in order of increasing entropy, from smallest to largest value.  1.00 g Br2…

A: entropy is the randomness or disorderness in the system. entropy of gas>liquid>solid i.e. we…

Q: Define the term entropy in thermodynamics. (ii)    In what way entropy is related to third law of…

A: ANSWER

Q: What is the free energy change for the process shown here under the specified conditions? T = 25…

A: We know that ∆G = ∆G° + RTlnQ ..(1) Here, Q = pH2^3*pN2^1/pNH3^2 = (0.250)^3(0.870)/(12.9)^2 =…

Q: Which statement DOES NOT describe the entropy of a system in its molecular state?  Entropy changes…

A: The degree of randomness in a system is measured in terms of entropy. The higher the entropy greater…

Q: Which process results in an entropy change less than 0?

A: Entropy (s) :-  Entropy is a measure of randomness or disorderness present in the system If in a…

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

A: Answer:- This question is answered by using the simple concept of entropy which is the degree of…

Q: 4. The entropy will usually increase when 1. a molecule is broken into two or more smaller…

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Q: Consider the evaporation of methanol at 25.0 ∘C: CH3OH(l)→CH3OH(g). a) PCH3OH=154.0mmHg Express the…

A: The given reaction and the Standard Gibbs free energy is calculated as follows,

Q: Predict how the entropy of the substance is affected in each of the processes. N, (1, 75 K) → N,(g,…

A: Entropy: It is the thermodynamic property which measure the disorderness or randomness. Higher the…

Q: Which substance has the higher entropy? Explain your answer. a. Dry ice (solid CO,) at -78°C or…

A: Solution-   Suniv > 0, where Suniv is the change in the universe's entropy. Entropy is a measure…

Q: Pick the substance from each set that would have the largest molar entropy. Set 1 Set 2 CH-(g) or…

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Q: Arrange the following substances at room temperature in order of increasing entropy: CH4(g), Ar(g),…

A: So we'll arrange  the following substances at room temperature in order of increasing entropy:…

Q: Arrange the entropy for 1 mole of H2O in ascending order at the following conditions C1. (S, 0°C, 1…

A: Entropy of gas is greater than entropy of liquid and entropy of liquid is greater than entropy of…

Q: 10.43 Which reaction occurs with the greater increase in entropy? Explain your reasoning (a) 2 NO(g)…

A: In nature, every processes have an inclination to progress to a state of larger randomness. The…