Will the change in entropy be positive or negative for each of the reactions listed below?  a. 2Cl2(g) + 2H2O(g) ⇌ O2(g) + 4HCl(g) b. CaCO3(s) ⇌ CaO(s) + CO2(g) c. Sc3+(aq) + 3F-(aq) ⇌ ScF3(s)

Q: Stearic acid, nature's most common fatty acid, dimerizes when dissolved in hexane: 2C17H35COOH…

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Q: Industrially, methanol is synthesized using the reaction CO(g) + 2 H2(g) ↔ CH3OH(g) Calculate the…

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Q: 4. A certain endothermic reaction X carried out room temperature (273K) has an enthalpy change of 20…

A: 4.  ΔG = ΔH - TΔS   ΔG = Change in Gibb's energy ΔH = Change in enthalpy T = Temperature ΔS = Change…

Q: 1. Predict whether a decrease in temperature is a favorable or an unfavorable process for the…

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Q: using the reaction CO(g) + 2 H2(g) ↔ CH3OH(g)   Calculate the equilibrium constant at 298 K.…

A: Equilibrium constant can be defined as the ratio of concentration of products to concentration of…

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

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Q: 1)Consider the process: H2O(l)->H2O(s): Decrease in entropy (delta S0) 2)Consider the reaction:…

A: Entropy is defined as the degree of ramdomness, more the randomness of the phase or system, higher…

Q: Part B Calculte the standard entropy change, 4,S° for the reaction. -114.0 JK mor O 114.0 JK mot O…

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Q: Consider the following endothermic reaction at 345.0 °C HBr (g) = > H2 (g) + Bi2 (g) Kp=4.18×10^-9 A…

A: Given endothermic reaction is :  2HBr (g) <---------> H2 (g) + Br2 (g)  Pressure equilibrium…

Q: 15.Consider the reaction Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s)Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s) at 87 ∘C∘C ,…

A: Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s)

Q: Consider the reaction: 2H2O(I)->2H2(g)+O2(g): Decrease in entropy (delta S0) 2) Consider the…

A: Entropy of gas is greater than entropy of liquid

Q: At 25 °C, the thermodynamic equilibrium constant of the reaction 3C2H2(g) ⇋ C6H6(l) is K = 1.00 ×…

A: Here the given reaction is in equilibrium, For which the values are given as: Equilibrium constant…

Q: For which reaction does Kp = Kc? A. 2 NazO2(s) + 2 CO2(g) = 2 Na,CO3(s) + O2(g) B. 2 NiO(s) + CO(g)…

A: Answer:- This question is answered by using the simple concept of chemical equilibriumusing the…

Q: d) 2 SO3(g)  2 SO2(g) + O2(g) Pi(SO3) = 0.110 atm, Pi(SO2) = 1.05 atm, Pi(O2) = 1.20 atm, Kp = 5.3…

A: The reaction quotient (Q) relates the amount of products and reactants present in the reaction at a…

Q: Calculate the Keqfor this reaction if the KP = 78.3 at 100°C. 4 HCl(g) + O2(g)     ⇄    2 H2O(g) + 2…

A: Answer: Given reaction is: 4HCl(g)+O2(g)→2H2O(g)+2Cl2(g) ∆ng is equal to the difference between…

Q: . Given the equilibrium partial pressures stated below each species, and the Kp value at a fixed…

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Q: Write the equilibrium-constantexpression and calculate the value of the equilibrium constant and the…

A: The formula to calculate the ΔG°f  is shown below.

Q: For the following equilibrium reaction: 2NO2(g) N2O4(g) + Δ What happens if the pressure of the…

A: Balanced Thermochemical Reaction  2NO2(g) ----> N2O4(g) + Δ If the pressure of the reaction is…

Q: N2(g) + 202(g) → 2NO2(g) AH = +66.4 kJ Complete the table for Reaction 3. Assume the process occurs…

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Q: 18. For which of the following reactions kp = kc at the same temperature? A. C3H8(g) + O2(g) -----…

A: The relation between Kp and Kc is :  kp = kc(RT)delta ng Here, delta ng= number of moles of products…

Q: At 298 K the reaction N(g) + 3 H(g) 2 NH(g) has K = 4.2 x 108. What is the value of Kc for the…

A: Given formation reaction of ammonia

Q: Consider the following reaction at equilibrium: N₂O₄(g) ⇌ 2NO₂(g) The ∆H° for this reaction is > 0.…

A: Ans is A

Q: Calculate the value of K, for the equation C(s) + CO₂(g) 2 CO(g) given that at a certain temperature…

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Q: Consider the reversible reaction: CO(g) + 2H2(g) ⇌ CH3OH(g)   Kp = 1.3 × 104 at 298 K. Starting…

A: The equilibrium reaction given is, => CO (g) + 2 H2 (g) ⇌ CH3OH (g)…

Q: What does each symbol represent? K Gibbs free energy reaction quotient Greek lowercase mu mole…

A: Symbols and their representations are given below

Q: 3) CO2 (g) → CO(g) + ½ O2 (g) AG° = 61380 cal H2O(g) O H2 (g) + ½ O2 (g) AG° = 54656 cal Calculate…

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Q: Determine whether the entropy of reaction increases or decrease in each of the following processes:…

A: Given :-  1-  H2O(ℓ, 25 °C) → H2O(ℓ, 75 °C) 2-  AgNO3(s) → Ag+ (aq) + NO3- 3-  4 Fe(s) + 3 O2(g) → 2…

Q: 0. When potassium is added to water, the following reaction takes place readily. ArH° < 0 K(s) +…

A: Spontaneity of a process can depend on the temperature.  When a process occurs at constant…

Q: The following equation represents a reversible decomposition:…

A: Solution :     Le Chatelier's principle states that when the chemical reaction system at equilibrium…

Q: . Consider the following reaction:                 N2 (g) + 3H2 (g) ⇌  2NH3 (g); Kc = 9.86 × 10-3…

A: As per our guidelines we can only solve first question. Please resubmit other questions as next…

Q: 2 Zn*2 (aq) +Fe*2 (ag) + 6 CN (ag) = Zn2Fe(CN)6 (5) [znz Fe (CN),] A certain equilibrium reaction…

A: Given that:                     Equilibrium constant (K) = 2.8 × 10-13…

Q: 1. Predict whether a decrease in temperature is a favorable or an unfavorable process for the fol…

A: Given ,  H2O (s) ---&gt; H2O (l)

Q: 2. The intracellular concentration of glucose-6-phosphate and fructose-6-phosphate are measured…

A: If the value of ∆G is negative will represent the reaction conditions are favorable. If the value of…

Q: Given the following exothermic reaction, which is in a state of equilibrium: 1.We balanced the…

A: 1.

Q: For the gas-phase reaction of water shown below, ΔrG° = 118.08 kJ mol⁠−1 when T = 2300 K. H20(g) ⇌…

A: a) The given reaction is: H2O(g) ⇌ H2(g) + 12O2(g)              ∆G°=118.08 kJ/mol The equilibrium…

Q: (CH2)20(g) + H20(g) = OHCH2CH2OH(1) Select a TRUE statement about the entropy of this reaction. i)…

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Q: What happens to ΔG∘298 (becomes more negative or more positive), K (increases or decreases), and…

A: According to Le-Chatelier’s principle, if any change is made to an equilibrium then the position of…

Q: 2COF2(g) = CO2(g) + CF4(g) K. = 2.20x106 (at 298 K) %3D What is K, for this particular reaction: 2…

A: 2CO2(g)+2CF4(g)?4COF2(g)

Q: Given the following exothermic reaction, which is in a state of equilibrium: 1.We balanced the…

A: Chemical reaction:-  Cd+2(aq) +4SCN-(aq). &lt;-------------&gt; [Cd(SCN)4]-2(aq) Kc = Concentration…

Q: And each table there may be one statement that is false because it contradicts the other three…

A: For first box the false statement is determined as follows,

Q: 4HCN(I) + 5O2 (g) ---> 2H2 (g) + 4CO (g) + 2N2 (g) Calculate the value of K in this reaction at teh…

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

Q: For the following reaction, CO(aq)+ H2O(g)CO2(g) + H2(g) what effect would increasing the volume…

A: According to Le Chatelier's principle a system in equilibrium when experiences a disturbance, it…

Q: The standard reaction free energy AG° =1.10 × 10° kJ for this reaction: 4 PC13(9)→P4(9) + 6C1½(9)…

A: The given reaction is,                            4 PCl3 (g) ----&gt; P4 (g)  +  6 Cl2 (g)…

Q: M

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Q: Write the expression Kc for the following reactions.

A: The state at which rate of forword and rate of backword reaction is called equlibrium state…

Q: For which of the following reactions does Kp = Kc? A) 3 Fe(s) + 4 H2O(g) ⇌ Fe3O4(s) + 4 H2(g) B)…

A: Given here set of chemical reactions and we are asked to find out for which chemical reaction the…

Q: Consider the reaction below: 2 SO3(g) =2 SO2(g) + O2(g) The Kp is 1.81 x 10-5 at 350.0°C. Calculate…

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Q: 7.6(a) The equilibrium constant of the reaction 2 C3H6(g) 5 C2H4(g) + C4H8(g) is found to fit the…

A: The entropy is increasing here as there is only one reactant and two products .

Q: Is the entropy (degree of disorder) increasing or decreasing in these reactions? a. H2 (g) + Br2 (1)…

A: Entropy can be defined as degree of randomness. Gaseous molecules have greater entropy than liquid…

Q: What is the expression for K for the dissolution of calcium carbonate (limestone)?        CaCO3 (s)…

A: The expression for K for the dissolution of calcium carbonate (limestone) is given by the ratio of…