The reaction, Fe203(s) + 3C(s) → 2Fe(s) + 3CO(g) AH° = +490.7 kJ, AS° = +541 J.K-1 This reaction is spontaneous only below a certain temperature always spontaneous never spontaneous spontaneous only above a certain temperature

Q: For the process: Z₂(g) →2 Z(g), AH° = +478 kJ. What would be predicted for the sign of ASxn and the…

A: Given reaction: Z2(g) → 2Z(g),     ∆H∘ = +478 kJ We have to find the sign of ∆Srxn and the…

Q: At constant pressure, the following reaction 2NO2(g)  N2O4(g) is exothermic. The reaction (as…

A: For the given reaction, change in enthalpy is negative.Thus,

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

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

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

A: Applying concept of spontaneity and formula ∆S=∆H /T

Q: A reaction is found to have a change in enthalpy of -8.67 kJ/mol and a change in entropy of 29.87…

A:

Q: Na (s) + 20 (g)-2NO; (e) AS = -121.77 J/K.mol; AH° = 66.36 kJ/mol Is the reaction shown above…

A:

Q: Consider this reaction: 2HCI(aq) + NazCO3(s) → CO2(g) + H2O(1) + 2NACI(aq) AS° = 267.00J/K.mol; AH°…

A: Given: ΔSo > 0 ΔH < 0

Q: 1. For the reaction: SO3(g) → SO2(0) + O2(0). AH° the reaction spontaneous at 25°C? At what…

A:

Q: 4. From the following AH and AS values, predict whether the reaction would be spontaneous. If not,…

A: Formula used ∆G = ∆H — T∆S For spontaneous reaction ∆G < 0 To make reaction spontaneous…

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: For the following reaction, AH° for the reaction is -206.1 kJ/mol, while AS° is -215 J/K•mol . NO…

A: For the reaction to be spontaneous , we have to see the  value of Gibbs free energy. ∆G = negative (…

Q: If a chemical reaction has a positive AH and a negative AS, then A) it will be spontaneous at all…

A:

Q: For an imaginary reaction below AG = 22.0 KJ, AH° = +62.4 KJ, and AS° =+152.2 J/K. Estimate the…

A:

Q: Which is true for the endothermic reaction 2 SO3(g) → 2 SO,(g) + 02(g)? A) Spontaneous at all T B)…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Given the AH° and AS°, calculate the AG° values for the following reactions and indicate whether the…

A:

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: Calculate the free energy change for this reaction at 25 °C. Is the reaction spontaneous? (Assume…

A: Given information, C3H8( g) + 5 O2( g)-------->3 CO2( g) + 4 H2O( g)ΔH °rxn = -2217…

Q: If H=-180kJ/mol and S=45J/k, then the reaction will be… a)      Spontaneous at all temperatures b)…

A: Reaction spontaneity ∆H ∆S reaction spontaneity + value - value non spontaneous at all…

Q: 8. A reaction has AH° = 100 kJ/mol and AS°=250 J/mol-K. Is the reaction spontaneous at room…

A:

Q: Recovering aluminum directly from its ore, which is primarily aluminum oxide, involves the following…

A:

Q: 2.2.Predict if the following reaction is spontaneous or not. CO26)CO(g) at 25°C

A: We have given that  Predict if the reaction is Spontaneous or Not  CO2(s) ------> CO2(g)  at 25°C…

Q: For the reaction C2H6 (g) → C2H4 (g) + H2 (g) ΔH° is +137 kJ/mol and ΔS° is +120 J/K ∙ mol. This…

A: Given, The balanced chemical equation, C2H6 (g) → C2H4 (g) + H2 (g) ΔH°=+137 kJ = 137000 J, and ΔS°…

Q: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: Given data    ∆H° = +150 KJ/mole and ∆S° = 171 J/K-mole.

Q: reaction has AHxn= 533 kJ/mol and ASTxn= -57 J/K•mol. What can be said about this %3D action? The…

A: Answer

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: Given the ΔH° and ΔS°, calculate the ΔG° values for the following reactions and indicate whether the…

A:

Q: Consider the following reaction   AgBr(s) → Ag+(aq) + Br−(aq), ΔGo = +69.1 kJ   Calculate ΔG for the…

A: The relation between ∆G and ∆Go is  given by: ∆G = ∆Go + RT lnQ Where, R = universal gas constant,…

Q: For the reaction 2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ. Which of the following is true?…

A: The given reaction is,  2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ ∆H is positive, that means…

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: 1. For the reaction C₂H6 (g) → C₂H4 (g) + H₂ (g) AH° is + 137 kJ/mol and AS° is + 120 J/K mol. Which…

A:

Q: The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury(II) oxide: HgO(s) →…

A: Given chemical equation:  HgO(s) ------> Hg(l) + 1/2O2(g) For a reaction to be spontaneous,…

Q: the following reaction is endothermic: 2SO3(g)->2SO2(g) +O2(g). the reaction is a) spontaneous at…

A: For a process that occurs at constant temperature and pressure, spontaneity can be determined…

Q: The following reaction is spontaneous at room temperature: N2(g) + 3H2(g) → 2NH3(g) For this…

A:

Q: 2. Define and give an example: Spontaneous, exergonic 3. Define and give an example:…

A: These all are the terms related with chemical thermodynamics. There are many reactions which occur…

Q: Given the reaction: NaOH(s) + H,O() ? Na+(aq) + OH-(aq) + 10.6 kJ, the heat of reaction, AH, is…

A: Given: Reaction is as follows: NaOH + H2O  ----->   Na+  +  OH-  + 10.6 KJ This is an exothermic…

Q: For the reaction C2H6 (g) → C2H4 (g) + H2 (g), ∆Ho is + 137 kJ/mol and ∆So is 120J/mol.K. This…

A: The relation between entropy change, enthalpy change and free energy change can be shown from the…

Q: 2. SO2(g) + O2(g), AH°25°C = +99.2 kJ and AS°25°C = +93.94 J/K. Is the reaction spontaneous at 25°C?…

A: The question is based on the concept of spontaneity of the reaction. if Gibbs free energy change of…

Q: For the reaction   2 PF5(g) + 5 H2(g) →  2 P(g) + 10 HF(g), calculate ΔGº and determine whether the…

A: Given,

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

A:

Q: Consider

A:

Q: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

Q: 2 NH3 (g) + 2 02 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: For a particular reaction, AH = 20.1 kJ/mol and AS" = 45.9 J/(mol-K). Assuming these values change…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: iven the following table of thermodynamic data, complete the following sentence. Substance ΔH°f…

A: Given : We have to predict which is condition is correct for given data.

Q: A reaction has standard DS = 50.4 J/K and standard DH = 23.7 kJ. At how many of the following…

A:

Q: Consider the two reactions below, resulting in the formation of hydrazine a. Reaction A: 2 NH3 (g)…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Consider the following reaction: CaCO 3(s) CaO (g) +CO 2(g) For this reaction, delta S = +158.9…

A: For a spontaneous reaction, deltaG should be negative. From the given delta H and delta S values,…

Q: At what temperatures will a reaction be spontaneous if AH = +158 kJ and AS = +411 %3D %3D J/K? O The…

A: Given ΔH = 158 kJ = 158000 J ΔS =  411 J/K

Q: 1. From the values of AH and AS, predict which of the following reactions would be spontaneous at…

A: