Estimate ΔG°rxn for the following reaction at 307 K. CH4(g) + 2 O2(g) → CO2 (g) + H2O (l) ΔH°= -890.4 kJ; ΔS°= -242.2 J/K +816.0 kJ +66.3 kJ -66.3 kJ -816.0 kJ -250 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: Consider these two reactions: Reaction 1: 20F₂(g) → O₂(g) + 2 F₂ (g) AH = -49.4 kJ Reaction 2: N₂(g)…

A: ★ Answer : Reaction 2  is non spontaneous. ★ Explanation :

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

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Q: For a particular reaction at 212.7 °C, ΔG=−843.71 kJ, and ΔS=603.37 J/K. Calculate ΔG for this…

A: Given : At temperature 212.7 °C, ΔG = -843.71 KJ = -843710 J…

Q: For the following reaction:    H° = -1037 kJ and S° = -153 J/K Calculate G° at 25°C for this…

A: Given that : H° = -1037 kJ = -1037000 J and S° = -153 J/K We have to calculate G° at T = 25°C = 298…

Q: Calculate AG at 45°C for a reaction for which AHº = -76.6 kJ and AS° =-392 J/K AG° kJ

A: here the two thermodynamic  property  given  ∆H°=-76.6KJ∆S°=-392J/KUsing the formula∆G°=∆H°-T∆S…

Q: For the reaction below, determine the difference in relevant particles that allow for determination…

A: To determine the difference in the relevant particles that allow for determination in the sign of…

Q: Calculate the free energy change (ΔG) for the following reaction at 25.0o C:                     2…

A: Unit of temperature is converted as follows,

Q: For the reaction below, determine the difference in relevant particles that allow for determination…

A: Entropy is the change of degree of randomness in a system. If randomness increases, entropy…

Q: Which of the following reactions correctly depict reactants and products in the correct state to…

A: In the reaction, states of matter was written as a subscript to the molecules which takes part in…

Q: Calculate ΔH° for the process Sb(s) + 5 2 Cl2 (g) ⟶ SbCl5 (s) from the following information: Sb(s)…

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Q: ΔΗ 1353. kJ J AS = K 2co,() + 4H,0 (g) → 2CH,OH (g) + 30,(g) AG = 10. kJ Which is spontaneous? this…

A: Given ,  temperature, T =123°C = (123 +273 )K=396 K Pressure = constant

Q: 2. Calculate the temperature in which the following reactions become spontaneous. b) Reaction B: AH…

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Q: Consider the reaction described by the chemical equation shown. 3 C,H,(g) C,H,1) AHxn = -633.1 kJ…

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Q: “Thermite” reactions have been used for welding metal parts such as railway rails and in metal…

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Q: For the reaction, 4KClO3(s) → 3KClO4(s) + KCl(s) Calculate ΔGosys for the process at 298 K if…

A: ∆Gsyso = ∆Hsyso - T ∆Ssyso  where     ∆Hsyso = Standard enthalpy change of system = - 144.3 KJ x…

Q: For a particular reaction, ∆H = -32 kJ and ∆S = -98 J>K. Assume that ∆H and ∆S do not vary with…

A: a. Given : ΔH = -32 kJ  ΔS = -90 J/K 1) To calculate Temperature at which  ΔG=0  ΔG = ΔH  - TΔS ΔG=0…

Q: Consider the reaction: 2 POCl3 (g) -> 2 PCl3 (g) + O2 (g) A) Calculate DGrxn° for the reaction…

A: Free energy helps us in determining whether the reaction is spontaneous or non-spontaneous. The…

Q: For a certain chemical reaction H = -35.4 kJ and S = -85.5 J/K. A. Is the reaction endo or…

A: The question is based on the concept chemical thermodynamics.   We have been given enthalpy &…

Q: (C2H5OH ) +(H2) →(CH3CHO) (AS = 114.2 J/K),(AH = 68.95 KJ/K ) %3D Calculate AG for this reaction at…

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Q: The reaction for which AH° = – 1137 kJ & AS°=0.496 kJ/K at 45° C will go spontaneously.

A: From given data  ∆H°= -1137 kJ ∆S°= 0.496 kJ/K T= 45°C= 273 +45 =318 K  Formula used  ∆G°=∆H°-T∆S°…

Q: 3. 1. N2(g)+3112(g) -->2NH3(g) If AH = -92.2kJ and AS- -0.1987k/K, what is AG for the reaction at…

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Q: Determine the Spontaneity of the reaction ΔH⁰ = -750 kJ and ΔS⁰ = 250 J/K

A: Spontaneous reaction - The reaction that favours formation of product under given conditions. This…

Q: Predict the sign of ∆Ssys for each of the following processes: Gaseous CO reacts with gaseous H2 to…

A: Entropy of the system is a measure of its randomness.If the number of molesare more,entropy will be…

Q: For each reaction, calculate AH AS, and AG at 25 °C and state whether or not the reaction is…

A: To find out the value of ΔHrxn°, ΔSrxn° and ΔGrxn° at 25°C that is 298 K and also predict whether…

Q: An ice cube at 0 C melts when placed inside a room at 22 C (295 K). Based on the concepts of…

A: We need to identify the concept of spontaneity behind melting of ice according to thermodynamics.

Q: o The following reaction proceeds in a beaker. Naclag) + AGNO3(aq) → NANO3(aq) + AgCl) a) What is…

A: Since you have posted question with multiple subparts as per guideline we can answer only three…

Q: 1. What thermodynamie quantity is used to determine whether a chemical reaction will proceed…

A: When a reaction proceed on its own without any external aid, it is called spontaneous reaction.

Q: Above what temperature does the following reaction become nonspontaneous?         2 H2S(g) + 3…

A:

Q: Gibbs free energy in chemistry is symbolized G. It is related to the enthalpy (H) and entropy (S)…

A:

Q: Using the values given for ΔH∘ and ΔS∘, calculate ΔG∘ for each of the following reactions at 298 K.…

A: Step 1: (A) For the given reaction: The value of ΔH⁰ =−844 kJ, ΔS⁰= −165 J/K, while temperature is…

Q: H,0, (1) decomposes to H,0 (1) and 0,(g) at constant pressure by the following reaction: 2H,02 (1) →…

A: Exothermic reactions are those reactions in which heat is released. On the decomposition of two…

Q: Calculate Delta G^o for the following reaction at 25Celsius.  What is k of reaction? What type of…

A: The reaction given is, => C2H4 (g) + O2 (g) → CO2 (g) + H2O (g)

Q: For the oxidation of iron to form iron(III) oxide: 4Fe(s) + 3O2(g) ⟷⟷ 2Fe2O3(s)…

A: ΔSo = –549.73 J∙K–1 T = 298K ΔH = –824.2 kJ∙mol–1 = -824200 Jmol-1

Q: Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction:

A: The given reaction is as follows:

Q: Given the reference thermodynamic data below taken at 25°C, calculate the value of the equilibrium…

A: The reaction for given process is : N2(g)  +  3H2(g)  ⇌  2NH3(g) Given that : ΔGº = -32.96 kJΔHº =…

Q: For a reaction for which AH = -142 kJ/mol and AS = -178 J/mol· K, which of the following statements…

A: If ∆G is negative, the process is spontaneous and may proceed in the forward direction. If ∆G is…

Q: Above what temperature (in Kelvin) does the following reaction become nonspontaneous?   FeO(s) +…

A: if ΔH and ΔS are both negative , so spontaneous at low temperature , non spontaneous at high temp.…

Q: A certain reaction has ΔH∘ = + 35.8 kJ and ΔS∘ = 85.5 J/K. 1. exothermic or endothermic? 2. Does…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: What is the standard change in free energy (in kJ) at 127°C for the reaction below, given ∆H° = -312…

A: given data are- ∆H° = -312 kJ  ∆S° = +66.7 J/K temperature = T = 127oC = 127 + 273 = 400 K free…

Q: At 298 K, the formation of ammonia has a negative So osys . 2N2(g) + 3H2(g) → 2NH3(g) Soosys = -…

A:

Q: For a particular reaction, AH° = 67.7 kJ and AS° = 126.9 J/K. Assuming these values change very…

A:

Q: For a particular reaction, AH = -46.7 kJ and AS =-123.8 J/K. Assuming these values change very…

A: ∆H°=-46.7KJ ∆S°=-123.8J/K ∆H°-T∆S°=0

Q: For a particular reaction, ΔH = -32 kJ and ΔS = -98 J/K.Assume that ΔH and ΔS do not vary with…

A: Given data, ΔH = -32 k J  ΔS = -98 J/K. Assume that ΔH and ΔS do not vary with temperature. (a)…

Q: For the reaction given below, AH--1516 kJ at 25 C and AS--432.8 J/K at 25 C, This reaction is…

A:

Q: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

A: Given that:  T = 25°C = 25°C + 273 = 298K  dHrxn = 29.8KJ/mol

Q: From the following ∆H and ∆S values, predict whether the reaction would be spontaneous. If not, at…

A: Spontaneity of reaction is predict as following Reaction will be spontaneous if ∆G<0 Reaction…

Q: Below what temperature does the following reaction become nonspontaneous? 2 HNO3(aq) + NO(g) • 3…

A:

Q: Given the values of AH, ASa, and T, determine ASuniy and predict whether or not each reaction is…

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Q: 10. Use the data: AGº (CO) = -137.2 kJ, AGº (C) = 0 kJ, AGº (O₂) = 0 kJ, to find K at 298 K for the…

A: