2) On the graph below, draw a potential energy diagram for the following reaction: Q + R → S + T given the following information: PE of Q +R= 150 kJ PE of S + T = 250 kJ PE of the activated complex = 375 kJ 400 350- 300 250 200 150 100 50 Reaction coordinate Pôténtiál énergy (kJ)

Q: For the reaction below, the enthalpy change is ΔH = –566 kJ/mol. Increasing the temperature of the…

A: The given chemical reaction as follows,2CO(g)+O2(g)⇌2CO2(g)  : ∆H  =-566 kJmol We are asked what…

Q: ΔG = ΔH - T ΔS is the equation for the Gibbs free energy of reaction for a chemical process. If the…

A: The reaction that leads to the formation of the products under the reaction conditions is termed as…

Q: Study the reactions for the formation of compounds from their elements. 1. C (s) + O2 (g) → CO2 (g)…

A:

Q: Calculate the value of Kc for the reaction: PCl5 (g)                PCl3 (g)   +    Cl2 (g)…

A:

Q: Hot packs used by skiers use the crystallization of sodium acetate from a concentrated solution.…

A: Enthalpy change is defined as the amount of heat released or absorbed in a chemical reaction. It is…

Q: Use Hess's law to calculate ΔG°rxn using the following information.               NO(g) + O(g) →…

A: The first thing to do is to change the bottom three reactions to make it look like the top reaction.…

Q: How to apply the laws of thermodynamics to chemical reactions ?

A: In any chemical reaction, heat of reaction can be calculated by applying . Hess's law based on 1st…

Q: Change During an endothermic chemical reaction, a gas is consumed and a liquid produced. A solid…

A: Answer:The spontaneity of the reaction can be decided on the basis of the value of Gibbs free energy…

Q: has

A: We wil use Clausius clapreyon Equation

Q: Which of the following processes are exothermic? 1) Dew evaporates in the morning 2)Gasoline burns…

A: Exothermic reaction are the reaction in which heat is released and endothermic reactions are those…

Q: change in gaseous mole

A:

Q: Calculate ΔSº for the reaction using the data table provided. 2 KClO3(s) → 2 KCl(s) + 3 O2(g)…

A:

Q: According to Le Chatelier’s Principle, does the following reaction shift towards reactants, towards…

A: Answer:- This question is answered by using the simple concept of Le Chatelier principle which…

Q: Given the reactions, X(s) + ¿O,(g) → XO(s) AH = -987.7 kJ XCO,(s) → XO(s) + CO,(g) AH = +293.1 kJ…

A:

Q: The ΔrH for the oxidation of solid sulfur to SO3 is -396  kJmol−1 and for the oxidation of SO2 to…

A: To solve this problem we will use the given enthalpy of formation to calculate the enthalpy of…

Q: Use the following reference reactions to determine ΔH for the reactions given below. P + 3/2Cl2 →…

A: Given  Reaction   P + 32Cl2   →  PCl3                ∆H = -146.2 KJ/mol                 ( Equation 1…

Q: Hydrogen cyanide is a highly poisonous, volatile liquid. Determine the ΔH for the reaction that…

A: Hess's Law of Constant Heat Summation: If a reaction occurs in multiple stages or steps, the total…

Q: Dry ice is solid carbon dioxide. Instead of melting, solid carbon dioxide sublimes according to the…

A: Dry ice sublimation is:

Q: 7. Suppose you have an endothermic reaction with Keg = 1x 103. How could you adjust the temperature…

A:

Q: Surrounding Reaction A Reaction B Temperature Initial Temp 25.1°C 25.1°C Final Temp 30.2°C 20.0°C…

A:

Q: Sulfur dioxide reacts with oxygen to produce sulfur trioxide. Thermodynamic Data Substance ΔfH∘…

A:

Q: Change An exothermic chemical reaction between a solid and a liquid results in gaseous products. A…

A: Answer: Spontaneity of the reaction can be decided on the basis of the value of Gibbs free energy…

Q: Which of the following chemical equations is the formation reaction of NH4Cl(s)? Click here for the…

A:

Q: For each reaction equation, calculate the internal energy change, AE, of the reaction at 25 °C. 2…

A:

Q: A 0.656-g sample of acetylsalicylic acid (C9H8O4) is burned in a bomb calorimeter and the…

A: The objective of this question is to calculate the change in energy (ΔE) for the combustion reaction…

Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

A:

Q: If 5.60 mol of a substance releases 14.9 KJ when it decomposes, what is the ΔH for the term KJ/mol…

A:

Q: What is the significance of the change in Gibbs free energy (ΔG) for a reaction?

A: In thermodynamics free energy or Gibbs free energy is the energy that is used to express the total…

Q: Sodium hydroxide (39.9971 g/mol) reacts with excess H2SO4 in a constant-pressure calorimeter. The…

A: Given ∆T = 29°CMass of reaction mixture = M = 120 gSpecific heat of solution = Cs = 4.184 J/g°CHeat…

Q: Is the transformation or the reaction of cool CoCl2 to hot CoCl2 exothermic or endothermic? Explain

A:

Q: Calculate ΔH per the reaction NO(g) + O(g)-> NO2(g) Data: NO(g) + O(g)-> NO(g) + O2(g)      ΔH=…

A:

Q: Under what conditions will enthalpy tend to dominate the equilibrium state of a chemical system?…

A: The dominance of enthalpy or entropy in determining the equilibrium state of a chemical system…

Q: The enthalpy change for the following reaction is -36.2 kJ 2A(s) + B(g) → C(g) Determine the ΔH…

A: Answer:- This question is answered by using the simple concept of Hess law of constant heat…

Q: How much energy is required to decompose 800 gg of PCl3PCl3, according to the reaction below? The…

A: Phosphorus trichloride decomposes into phosphorus and chlorine gas. The equation for the balanced…

Q: A reaction occurs in the left-to-right direction until it reaches equilibrium. Which of the…

A: We have to find correct statements about a reaction which occurs in the left-right direction until…

Q: 1. A piece of hot metal (400 K) is place inside a beaker of cold water (285 K). Which of the…

A: Given that The temperature of the metal piece = 400 K The temperature of the cold water in beaker…

Q: After determining the ΔH of reactions, explain what does the numerical difference represent, in…

A: Enthalpy change of a reaction, ΔH can be either positive or negative numerically.

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.