What is Δ G° at 25 °C?   N 2O 4(g) → 2 NO 2(g) Δ H° = 58.03 kJ Δ S° = 176.7 J/K     62.45 kJ     58.21 kJ     5.37 kJ     53.6 kJ     111 kJ

Q: Which one has a higher entropy? Explain briefly. MgC2(aq), NaCl(aq)

A: Entropy is a measure of the randomness of the system. The entropy of a system can be calculated by…

Q: The concentration of glucose inside a cell is 0.13 mM. Outside the cell the concentration of glucose…

A: Given that : Concentration of glucose inside the cell (Ci)= 0.13 mM Concentration of glucose outside…

Q: a) Calculate AGxn for the reaction (AHrxn=572 kJ; ASrxn° = 179 J/K).

A: We know ∆Gorxn = ∆Hrxno - T∆Srxno . For a reaction to be spontaneous ∆G should be -ve . At…

Q: Calculate the enthalpy change for the reaction 2K+S → K₂S using the following thermochemical…

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Q: What is the standard enthalpy change for this reaction at 298 K? 2 K(s) + 1/2 O2(g)  K2O(s)  kJ

A: For given reaction, ∆H°  = 722 KJ  Calculation ∆ H° for  2K (s) + 1/2 O2 (g)  ---> K2O (s)

Q: At temperature T0, substance X in its A form (A can be liquid, solid or vapor) has same chemical…

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Q: The molar entropies of carbon monoxide and carbon dioxide at 25°C are 197.7 and 213.8 J/molK,…

A: The molar entropy in terms of micro-state is given as :

Q: For a reaction to be spontaneous, which of the following factors should have a negative sign? a…

A: Given : We have to tell what is requirement for spontaneity of a reaction

Q: What is the change in Gibbs Free Energy  in joules for the following reaction at room tempature?…

A: Given reaction and information,       H2(g) + I2(g) → 2HI (g)           K=794

Q: Which of the following changes in Gibbs free energy represents a spontaneous reaction? O AG(-) O…

A: To solve this problem we have to explain about the type of reaction according to value of ∆G .

Q: Ammonia reacts with water in liquid ammonia solution according to the equation: NH3(g) + H2O ⇌ NH4+…

A: Spontaneity of a chemical reaction can be expressed in terms of Gibbs free energy change. Write the…

Q: Which of the following are spontaneous processes? 1. Ice melting at 1atm and 298 K (assume only ice…

A:

Q: 1. The magnitude of any enthalpy change depends on the conditions of temperature, pressure and state…

A: Entropy of a system is the measure of randomness. Higher disorder the system, higher is the entropy.

Q: What is the entropy change (in J/K) of 85 g of steam at 100°C when it condenses to water at the same…

A: At phase transition, the entropy change is defined as the ratio of enthalpy change and temperature…

Q: Give an example for each of the following and provide explanation based from what you learned about…

A: Thermodynamics is the study of the relations between heat, work, temperature, and energy. The laws…

Q: Which of the following is a quantitative measure of disorder? a.Free Energy B.Enthalpy C.Entropy…

A: Which of the following is a quantitative measure of disorder?

Q: What is the entropy change (in J/K) associated with the formation of 15.0 g of SO2 for the reaction…

A:

Q: For a certain reaction, ΔH = -35.4 kJ/mol and ΔS = -85.5 J/K mol. Is this reaction endothermic or…

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Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH₃(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) a.Given…

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Q: Determine whether the reactions are entropy-favored or disfavored under standard conditions. Predict…

A: Any reaction is said to be entropy favored if and only if  ΔS = positive and  it is said to be…

Q: Give an example for each of the following and provide an explanation.   1. A spontaneous process 2.…

A: A spontaneous process is the process which takes place on its own without any external force.

Q: If a particular reaction has   ΔrH = +30 kJ mol–1    and    ΔrS = –60 J K–1mol–1, when do you expect…

A:

Q: Does

A: 1- If temperature is constant but pressure will changed then entropy is inversely proportional to…

Q: For the chemical system: KOH + HBr → KBĽ¢ + H,O + 45 kJ (aq) (aq) (1) which of the following is…

A: KOH (s) + HBr (aq) ------> KBr(aq) + H2O(l) +45 kJ

Q: TRUE OR FALSE 1. Lowering the temperature of the system will lead to an increase in entropy. 2.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Which thermodynamic property is the best measure of the molecular activity of a substance?…

A:

Q: Given the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in…

A: The Gibb’s equation of thermodynamic purposed a relation between ΔS, ΔH and ΔG with Temperature.…

Q: 1. Predict whether the following processes are spontaneous, are spontaneous in the reverse or are in…

A: Spontaneous process is the process which takes its own.i.e process which doesn't required any…

Q: Why does the entropy of halogens at room temperature increases in the following order I2 <Br < Clz.

A: Entropy:  It is the thermodynamic property which measure molecular randomness or disorderness of a…

Q: Which of the following reactions results in a decrease in entropy? CaCO3 (s) CaO (s) + CO2 (g) N2O4…

A: Unit temperature measurement of the thermal energy method  is not usable for practical application.…

Q: Which of the following species will have the greatest magnitude of change in Gibbs free energy due…

A: The Gibbs free energy is the energy that is present in the system and can be tapped for doing work…

Q: 1) Given the following balanced equations, determine which is in a more disordered state. a. H₂O(l)…

A: Given,

Q: which statement about entropy is true? non-spontaneous reactions sometimes will happen all by…

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Q: In which case does Kc=Kp? 2A(g) + B(s) ⇌ 2C(s) +D(g) 2A(g) + B(s) ⇌ C(s) +2D(g) 3A(g) + B(s) ⇌…

A: The relationship between Kc and Kp is as follows, Here Kp = Kc when delta n value becomes 0.

Q: Consider the following reaction at 25 °C: 5 SO:(g) + 2 NH:(g)→ 2 NO(g) + 5 SO:(g) + 3 H2O(g) If AH°…

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Q: Calculate the standard free energy change for the combustion of 1 mole methane using standard free…

A: Given that :

Q: Which substance would have the greatest standard molar entropy? A)H2O (l) B)Al (s) C)NO (g) D)He…

A: Gases have highest entropy and amongst gases molecular gases and heavier gases have more standard…

Q: Given the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in…

A: The change in entropy of copper when converted to a gas :Given:S° for Cu(s) = 33.2 J/(mol•K)S° for…

Q: Which has lower entropy? CO2(g) or CH4(g)?

A:

Q: Which of the following substances is likely to have the highest entropy? Link to Physical Constants…

A: The substances given are He, H2, CO2, N2 and H2O (l).

Q: Calculate the enthalpy change for the reaction 2K+ S K28 using the following thermochemical…

A: Given  1)K + S  -&gt;  KS     Delta H = 32.5 KJ 2) KS + K -&gt;  K2S     Delta H = 38.2 KJ    To…

Q: Below

A: Here, you can see both values of ∆H and ∆S are positive so if temperature is low then Reaction is…

Q: At what temperature will a reaction become spontaneous given: Entropy change = 170 J/K enthalpy…

A:

Q: The following reaction is endothermic. 2NH3(g) → N2(g) + 3H2(g) This means the reaction   A.…

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Q: Predict whether the entropy change is greater or less than zero for the following process: dry ice…

A: Determine entropy change on dry ice subliming ---

Q: Does entropy increase or decrease in the following process? N2 + 3H2 → 2 NH3

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Q: Under what conditions is N2 O3(g) ⟶ NO(g) + NO2(g) spontaneous?

A: to calculate spontaneity of reaction we have the formula ∆G°298 =∆H-T∆S° where, ∆H= change in…

Q: 1. The magnitude of any enthalpy change depends on the conditions of temperature, pressure and state…

A: Solutions-

Q: Calculate ΔS° for each of the following reactions. Explain the sign of ΔS° based on the molecular…

A: Entropy is defined as the degree of randomness or disorderliness of the System.   if the molecules…

Q: Which pure substance under standard conditions would have the highest entropy?   O2   HCl   CH3OH…

A: Standard conditions are usually defined as 298 K (25 degrees Celsius) and 1 atm of pressure. Note…