A process increases the entropy of the system by 128 J/mol K and absorbs 54 kJ/mol of heat from the surroundings.  Does this process favor products at high temperature or low temperature? At what temperature does it switch?

Q: The graph represents the energy change of a chemical reaction. Which must be true about the entropy…

A: Given, the energy profile diagram: We have to find the correct statement about the entropy of the…

Q: Write the balanced chemical equation for the combustion of methane, CH4(g), to give carbon dioxide…

A:

Q: ) True or False?  If false, correct the statement.        a) The entropy of a substance increases…

A: The entropy of a substance increases when a substance changes from liquid to vapor at any…

Q: For a particular reaction at 210.9 °C, AG = −1477.24 kJ/mol, and AS = 492.54 J/(mol · K). Calculate…

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: Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this…

A: The given equilibrium reaction is  2 NO(g) ---------->  N2(g) + O2(g) The enthalpy change at 298…

Q: The entropy of a reaction is 360 J/mol K and the enthalpy of a reaction is 847 kJ/mol. Calculate the…

A:

Q: Carbon disulfide is a foul-smelling solvent that dissolves sulfur and other nonpolar substances. It…

A:

Q: Two systems, each composed of two particles represented by circles, have 20 J of total energy. Which…

A: The system which has greater entropy has to be given and the reason has to be explained.

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: A test tube containing a piece of wax is warmed in an oil bath until the wax melts. The test tube is…

A: A multiple choice question based on chemical thermodynamics that is to be accomplished.

Q: at what temperature will this reaction be exactly at equilibrium?

A: Enthalpy change (∆Ho)=-162.2 kJ =-162.2  X 103J Entropy change (∆So)=104.2 J/K ∆Go=0 at equilibrium…

Q: Explain what is meant by “free energy” in a system. Will a reaction that proceeds spontaneously have…

A: In chemical terms, free energy refers to Gibbs free energy of the system. The symbol for Gibbs free…

Q: Zn(s) + 2HC1(aq) → ZnCl2 (aq) + H2 (g) + 153kJ For this reaction at 25°C, • Change in enthalpy: […

A: The reaction given is,

Q: Consider the equilibrium: 2NO2(g)  <--> N2O4(g). Calculate the equilibrium constant for the…

A: The relationship between standard free energy change ΔGo and equilibrium constant.       ΔG=ΔGo…

Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the ΔG°f…

A:

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Q1. Since the reaction is endothermic, that means you have to provide heat during the reaction,…

Q: For the reaction, H2(g) + CO(g) > CH3OH(g), hydrogen gas and carbon monoxide gas reacting to form…

A: Given: H2(g) + CO(g)<-----> CH3OH (g)   ∆H = -90.2 kJ/mol

Q: For a particular reaction at 148.1 °C, Δ?=−1428.51 kJ, and         Δ?=393.69 J/K  .  Calculate Δ?…

A:

Q: There is a natural tendency for the universe to have increased entropy.

A: Given statement is true or false ?

Q: Define Standard States and Standard Entropy Changes?

A: Generally in chemistry standard state can be defined as the reference pint used to calculate its…

Q: What is the total entropy change when 1.50 mol of water (ΔHfus = 6.01 kJ/mol) freezes at 0.0 °C in a…

A: To calculate the total entropy change when water freezes, we need to consider the entropy change…

Q: A reaction has a standard enthalpy change, ΔH, of +10.00 kJ/mol at 298 K. The standard entropy…

A: The relationship between enthalpy change (∆H), entropy change (∆S) , gibbs energy change (∆G) and…

Q: each of the following reactions, indicate whether you would expect the entropy change of each of…

A: Entropy is defined as the randomness of the system.

Q: The enthalpy change for a certain reaction is -209.4 kJ and the entropy change is 585.7 J/K.  What…

A:

Q: The balanced chemical equation for the combustion of propane gas is: C3H8 (g) + 5 O2 (g) --> 3 CO2…

A: Given reaction: C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O (g) ∆G°RXN = -2385 kJ Temperature = 17.0 °C…

Q: Carbon disulfide is a foul-smelling solvent that dissolves sulfur and other nonpolar substances. It…

A:

Q: Consider a reaction in the gas phase. The equilibrium constant K(T) is found to be independent of…

A: The question is based on the concept of chemical equilibrium. we know on increasing temperature,…