At 298 K, the formation of ammonia has a negative ∆S0sys. Calculate ∆Ssurr               N2(g) + 3H2(g) è  2NH3(g)      ∆S0sys = - 197 J/K

Q: 3. Arrange the following examples in order of increasing entropy. (Assume that entropy usually…

A: Entropy is the randomness in the order of arrangement of particles, Solids have more ordered…

Q: silicon, Si, the heat of vaporization at its normal boiling point of 2355 °C is 297.1 kJ/mol. The…

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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: 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: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: According to the question about the formation of ammonia we have, The Change (decrease) in the…

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: The enthalpy of vaporization of methanol (CH30H) is 35.3 kJ/mol at the boiling point of 64.2 °C.…

A: formuls for this is: entropy change = enthalapy of vapourisation/Boilling temp.

Q: By is an exothermic reaction. 1) Ag) Analyze when this reaction is spontaneous (i.e. spontaneous at…

A:

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: 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: For the conversion of reactant A to product B, the change in enthalpy is 7.80 kJ·mol-1 and the…

A: Solution: ∆H= 7.80 KJ mol-1∆S= 44.4 JK-1

Q: Arrange the following substances in order of increasing molar entropy at 25°C: Ne(g), SO2(g), Na(s),…

A: • The given substances is -            Ne(g) , SO2(g) , Na(s) and H2O(l)    • We need to arrange the…

Q: Estimate the normal boiling point of titanium tetrachloride, TiCl4, at 1 atm pressure, using the…

A: Since the normal boiling point of any molecule is given by  Tb = ΔHeva / ΔSeva  where ΔHeva = change…

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: we have to calculate the value of ∆SUNIV

Q: A student calculated that for a given reaction, ∆S = 22J/K and ∆H =6028 Joules. At which temperature…

A: The relation between Gibbs free energy, enthalpy and entropy with temperature is  ∆G = ∆H - T∆S  If…

Q: Which of the following has the greatest entropy- (a) H2O (g) at 100 °C (b) H2O (€) at 100 °C (c) H2O…

A: Entropy (∆S°) is generally the randomness or disorder present in the molecule. So, the amount of ∆S°…

Q: Hi, I need help with this step-by-step please thank you.

A: For any reaction that proceeds spontaneously, the value of free energy that is Delta G remains…

Q: This industrial chemical reaction process generates nitrogen monoxide, an important component in the…

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

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

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Q: Find the temperatures at which reactions with the following ΔH and ΔS values would become…

A: Given: a) ΔH= -126 kJ/mol,   ΔS = 84 J/K.mol We need to find out temperature at which reaction is…

Q: The synthesis of the pesticide thionyl chloride (OSCl2) proceeds according to the following…

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Q: (a) Use the data given below and calculate ∆Ho, ∆So, ∆Go, and Kp at 25° C for the reaction: 2 COCl2…

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Q: Which of the following reactions would be spontaneous? O AH = -50 KJ, T = 250K, AS = -200 J %3D %3D…

A:

Q: The vaporization of ethanol CH,OH() → CH;OH(g) at its normal boiling point, 351 K, has AS = 110. J/K…

A:

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH (g) →3 Ni(s) + N,(g) + 3 H,O(g) K If AH° =…

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Q: What is the energy of system A? 15 What is the energy of system B? 16 9J 8J 6J In how many ways can…

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Q: Determine whether an example is spontaneous process (SP) or a non-spontaneous process (NSP). 6. ball…

A: A spontaneous process is a process which occurs without input of matter or  energy into the system.…

Q: Which of the following reactions are spontaneous at 298 K? AH = -200 kJ/mol, AS= -1.0 kJ/(mol*K) AH…

A: Recall the following expression for change in Gibbs free energy∆G               ∆G=∆H-T∆SIf for any…

Q: Consider a process which has ΔSuniv > 0 at 25°C. Which of the following statements is/are always…

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

A: ANSWER

Q: For the following process, does entropy increase, decrease or remain the same: H20 (s) --> H2O (1) O…

A: Entropy is a measure of randomness, disorder of a system. Entropy, the measure of a system's thermal…

Q: Arrange the following from lowest to highest entropy: CS2(4), CS2 (g). CCL (g), S(s).

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Q: Recognize the species that has the lowest entropy, S° at 25°C. А. СНЗОН (1) B. N2 (g) C. NazSO4 (s)…

A: Entropy is defined as the measurement of disorderedness or randomness in a system. The increasing…

Q: 8e. Consider the following reaction: CacO3 (s) → Cao (s) + CO2 (g) Data: A,H = +177.5 kJ mol1 AS =…

A: Given: To find: The temperature of the spontaneous reaction Formula: Where is the entropy  is…

Q: 9. Which of the following statements best describes the entropy of water that freezes in a beaker?…

A:

Q: Which change is likely to be accompanied by an increase in entropy? A. N2 (g) + 3 H2 (g) → B. Ag*…

A: The answer is C

Q: At 298 K, ΔH° for this reaction is -137.5 kJ/mol, and ΔS° is +120.5 J/K. What is the value of ΔG°…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The normal freezing point of n-octane (C8H18) is -57 °C.(a) Is the freezing of n-octane an…

A: Given that the freezing point of n-octane is -57 oC.

Q: What is the change in entropy for the vaporization of 27.0 g of H2O at 100°C? At this temperature,…

A: The molar enthalpy of vaporization of water is 44.0 kJ/mol which is equal to 44000 J/mol. The heat…

Q: Arrange the following substances in order of increasing molar entropy at 25°C: Ne(g), SO2(g), Na(s),…

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A: We have been given that

Q: 8) a) Calculate AS°en for the following reaction given their respective standard molar entropy…

A: The standard entropy of the reaction can be calculated as follows-

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

A:

Q: H.W/ Which the substance in each following pairs would have the greater entropy? Explain. a) At 75°C…

A: Since we only answer up to the 3 subparts, we will answer the first three only. Please resubmit the…

Q: Which expression defines the change in free energy? a. ΔΗ + ΤAG c. ΔΗ-TAS b. ΔΗ+TAS d. ΔS-ΤΔΗ

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Q: i. Define entropy. ii. 1.0 kg of water at 0 °C is mixed with an equal mass of water at 100 °C. After…

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Q: Determine the total entropy change when 15.00 g of ice at –15°C is heated to 75°C. The molar heat of…

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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…