Consider the following equilibrium reaction and its value of ΔH°. 2 SO2 (g)   +   O2 (g)   ⇋⇋   2 SO3(g)       ΔH° = -198 kJ Predict whether the reaction will shift towards the products or reactants with a decrease in the temperature. Select one: a. Shift towards the reactants. b. Shift towards the products. c. The temperature change would have no effect.

Q: 14. Consider the reaction at 25 oC : A (g) + B (s) + 2 C (g) ------ D (g) + 2 E (s) kp = 2.40 What…

A: The given reaction is -               A (g) + B (s) + 2 C (g) ------ D (g) + 2 E (s) Now, the…

Q: Consider the gas-phase reaction, 2 SO2 + 0222 S03. for which Kp = 2.0 at a given temperature, If the…

A: The direction of the reaction equilibrium depends on the reaction quotient of the reaction  1) If…

Q: The reaction (Tindak balas): N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Given (Diberikan): ΔH = 92.22 kJ/mol ΔS =…

A: Given: ∆H = 92.22 kJ/mol = 92.22×103 J/mol ∆S = -198.75 J/K•mol

Q: Lexan is a plastic used to make compact discs, eyeglass lenses, and bullet proof glass. One of the…

A: Given equilibrium is  COCl2(g) ↔ CO(g) + Cl2(g)  Equilibrium constant , Kp = 6.8×10-9 Initial…

Q: All ch 12. Ethene and steam can react to form ethanol as shown here. How will increasing temperature…

A:

Q: The reaction 2 O3 (g) → 3 O2 (g)  (∆H° = -300kJ) is in equilibrium at 25°C. Which of the following…

A: We would use the value and sign of ∆H to predict the change.

Q: An industrial chemist puts 1.05 mol each of H2(g) and CO2(g) in a 1.00-L container at a certain…

A: The initial moles of both reactants and products can be written as

Q: edict the effect of the following changes on the reaction whether if favours reverse, forward or no…

A: Equilibrium reactions is a chemical reaction, in which the reactions processed in both the forward…

Q: Consider the following equilibrium reaction and its value of AH°. N204 (g) 4 2 NO2 (g) AH° = 57 kJ…

A:

Q: In the following reaction: S2(s) + C(s) =CS,(g) has an entropy change the is [Select ] because […

A: 1.The entropy change is positive  2. It is because the phases change from solid to gas.

Q: Given this equilibrium, H2(g) + I2(s) + 53 KJ22HI(g) Which change would result in the production of…

A: The given reaction is  H2(g)+ I2(g) +53kJ <-------> 2HI(g) We have to find out the change that…

Q: For the reaction C(s) + ½ O2(g)  ➜  CO(g) + 26.4 kJ Which phrase describes the reaction?   Select…

A: Given, C(s) + ½ O2(g)  ➜  CO(g) + 26.4 kJ we need to describe the reaction

Q: 1. Sulfur dioxide is a toxic gas that gives off the smell of burnt matches. It is also a by-product…

A: We have  2SO2 (g) + O2 (g) ⇌ 2SO3 (g) The product formed in this reaction is SO3 We know that,…

Q: 1. Sulfur dioxide is a toxic gas that gives off the smell of burnt matches. It is also a by-product…

A: According to the Le Chatelier’s principle, if equilibrium of a system is disturbed by changing any…

Q: Consider this hypothetical chemical reaction. A(s) + B(g) 2C(g) Which of the following changes will…

A: We can find the spontaneity of the reaction in forward direction by using Le-Chatelier's principle.…

Q: Cónsidér this reaction at equilibrium: 2 H2O2(g) =2 H2O(g) + O2(g) AH° rxn = -210 kJ/mol Which of…

A: The effect of temperature, pressure and concentration on a system which is in equilibrium is…

Q: Consider the equilibrium between molecular iodine and atomic iodine in the gaseous state. For this…

A: The spontaneity or favorability of a reaction can be determined by the change in Gibb's free energy…

Q: Which of the following figures illustrates best the sequence of the free-energy values (shown with…

A: From given Free energy is explained briefly and the figure illustrating sequence for the chemical…

Q: TEMPERATURE

A:

Q: 4. Ten molecules of XY react according to the following equation: XY ↔ X + YKc = 1.1 x 10-1 at 125 C…

A: (a)    XY <=> X y I 10   0 0 C -x   +x +x E 10-x   x x Kc = [X][Y]/[XY] 1.1 *10-1…

Q: 2POCI 2PC Oz AH-+ 254 kJ/mol Consider the reaction above. In which direction will the reaction shift…

A: When a reaction proceeds, the reactants convert to products. The amounts of reactants decrease with…

Q: Consider the reaction shown below. PbCO3(s)  PbO(s) + CO2(g) Calculate the equilibrium pressure…

A: Given data,Ho=+88.3kJ/molSo=151.3J/mol.KTemperature for part a)=160oC=160+273.15=289.15KTemperature…

Q: For the equation:   2H2O2(g)  ----------->   2H2O(g) + O2(g)           ΔH° = -150 kJ…

A:

Q: 1. Determine the equilibrium constant for the conversion of oxygen to ozone at 2,000 K. 3 02 (g) = 2…

A: Expression used to find Keq from Delta G R = Universal gas constant  T = Temperature = 2000 K…

Q: Which thermodynamic unit determines the spontaneity of a chemical reaction? Oa, AHo Ob.AGo Oc. AH…

A:

Q: Consider the following equilibrium system. H2(g) + F2(g) = 2HF(g) a. Write the chemical equation for…

A: Given: Reaction To find : Forward Reaction with lowest possible coefficient Backward Reaction with…

Q: Consider the following reaction at equilibrium: 2CO2 (g) = 2CO (g) + 02 (g) AH° = -514 kJ %3D Le…

A: Given the reaction is, 2CO2(g)<------>2CO(g)+O2(g)          deltaH°=-514 KJ.

Q: Consider the following reaction at equilibrium: kJ = -75.81 mol S (s) + 2CO (g) = SO₂ (g) + 2C (s)…

A: The objective is to determine whether the reaction will shift towards the reactant, or product or…

Q: Consider the following reaction at equilibrium: (AH° = -514kJ) %3D 2002) 2C0() + Oz(g) Le Chateliers…

A: Endothermic reactions are defined as the reactions in which heat is absorbed by the reaction. The…

Q: Consider the following reaction at 298 K. 2 SO₂(g) + O₂(g) → 2 SO 3(g) An equilibrium mixture…

A: Given, Reaction :2SO2(g) +O2(g) → 2SO3(g) Temperature , T = 298 K

Q: What is the difference between Hand U per mole of product, for the reaction at 25 °C of O2(g) +…

A: The objective of the question is to find the difference between  and  per mole of a product at…

Q: We compare the values of Q and K to predict the direction in which a reaction will proceed toward…

A:

Q: Consider the balance: CO2(g) + H2(g) CO(g) + H2O(g)     ∆H > 0 Predict the change in equilibrium…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: The reaction 2 O3 (g) → 3 O2 (g)  (∆H° = -300kJ) is in equilibrium at 25°C. Which of the following…

A: From the reaction data it is clear that the given reaction is exothermic reaction. This means the…

Q: We compare the values of Q and K to predict the direction in which a reaction will proceed toward…

A:

Q: Consider the following equilibrium reaction and its value of ΔH°. 2 SO2 (g)   +   O2 (g)   ⇋⇋   2…

A: According to Le Chatlier's principle if there is any disturbance in the equilibrium conditions of a…

Q: Consider the following equilibrium: 2NO₂ (g) N₂O4 (g) - AG=- = -5.4 kJ Now suppose a reaction vessel…

A: Reaction : 2 NO2(g) ⇌ N2O4(g)             ∆G°= -5.4 kJ

Q: A reaction has an equilibrium constant of 79 at 298 K. At 498 K, the equilibrium constant is 0.85.…

A: Formula used:  Van't half equation:  ln(K2/K1) = ∆H/R * [1/T1 -1/T2]  Where  K = equilibrium…

Q: Consider the following reaction and its value of AH°: N20 (g) + NO2 (g) = 3 NO (g) AH° = 155.6 kJ…

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on…

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

A: We have to predict the direction of equilibrium.

Q: A temperature change affects K: higher T K for an endothermic reaction (positive AHrxn) and, K for…

A: For a general reversible reaction  A(g) ↔ B(g)  The expression for equilibrium constant , K is  K =…

Q: The equilibrium reaction Fe; O4(s) + 3 H2(g) 2 3 Fe(s) +4 H2O(g) has AH° = 149,77 kJ /mol. Write…

A: The given question is based on the Le-Chatelier principle

Q: A reaction has a ∆Horx = −70 kJmol and an equilibrium constant K =2.4 × 102 at 500 K. What is ∆Sorx…

A:

Q: 31. Listed below are AH; and S° values for PCI 3, Cl2, and PCl5. Substance AH (kJ mol¹) So…

A: Step 1: Step 2: Step 3: Step 4:

Q: Consider the reaction below at equilibrium:   A (g) + 2 B (g) 3 C (g)  ΔH = -234.8 kJ   Explain…

A:

Q: For the reaction2CO2(g) + 5H2(g)C2H2(g) + 4H2O(g)H° = 46.5 kJ and S° = -124.8 J/KThe equilibrium…

A: