The ΔHvap of a certain compound is 46.73 kJ·mol−1 and its ΔSvap is 64.96 J·mol−1·K−1. What is the boiling point of this compound?

Q: calculate the Gibbs free energy of formation of BiF5 at 298 K. Is the formation of BiF5 from the…

A: Given to us that: The formation of a BiF5 molecule by its standard elements . And Temperature T=298K…

Q: say you have a super saturated solution which you stick a tooth pick and the mixture changes, would…

A: Given: A super saturated solution  Stick the tooth pick in the super saturated solution  The form…

Q: State the relationship between the equilibrium constant, Kp , and the standard Gibbs free energy.

A: Interpretation -  To state the relationship between the equilibrium constant, Kp , and the standard…

Q: 1. The magnitude of any enthalpy change depends on the conditions of temperature, pressure and state…

A: Entropy of a system is the measure of randomness. Higher disorder the system, higher is the entropy.

Q: What can be said about the sign of the entropy when solid NaCl is dissolving in water? What can be…

A:

Q: Explain the various phenomenon in a crystal that contribute to increase in entropy.

A: Entropy is defined as the measure of disorder in crystal or unavailability of energy to do work.…

Q: Differentiate between Emf, Free Energy, and the Equilibrium Constant?

A: An electrochemical cell is a device which generated electricity by the virtue of flow of electrons…

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at  20.0   °C  is…

A: Given :- ∆G° = -108 kJ               T = 20.0 °C  To be calculated :- value of equilibrium constant…

Q: Which of the following is a quantitative measure of disorder? a.Free Energy B.Enthalpy C.Entropy…

A: Which of the following is a quantitative measure of disorder?

Q: Which of the following processes does NOT involve an increase in entropy? Melting of gold nuggets…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: A. Calculate the standard enthalpy change of the reaction in kJ. Is the process endothermic or…

A: ∆H rxn = ∆H product - ∆H reactant ∆S rxn = ∆S product - ∆S reactat ∆G rxn = ∆H rxn - T∆S rxn

Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: The relationship between Gibbs free energy and  Entropy and enthalpy is given by  G = H - TS where G…

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

A: Given statement is true or false ?

Q: Predict whether the entropy of the following reaction will increase or decrease. Explain why you…

A: If in the reaction, all the species present are in only gaseous state, then entropy can be related…

Q: Which substance would have the greatest standard molar entropy? N2(g) NO2(g)

A:

Q: Which of the following reactions indicates an increase in entropy?

A: In case of homogeneous gaseous reaction :- if number of gaseous moles of products are more than the…

Q: For the chemical system: KOH + HBr → KBĽ¢ + H,O + 45 kJ (aq) (aq) (1) which of the following is…

A: KOH (s) + HBr (aq) ------> KBr(aq) + H2O(l) +45 kJ

Q: Is it possible for an ice to have a higher entropy than water? Why?

A: Entropy is the measure of the randomness of the system. The more disordered the system more will be…

Q: Explain the reason that the conversion of liquid water to gaseous water has a positive change in…

A: Given statement is :  Explain the reason that the conversion of liquid water to gaseous water has…

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: Which of the following involve an increase in the entropy of the system?     Condensation of…

A: Entropy is the degree of randomness or disorderliness of atoms of molecules of the system. As…

Q: For the reaction 2 SO2(g) + O2(g) → 2 SO3(g), the standard enthalpy of reaction ARH° is -197.8 kJ,…

A: For the given reaction-          2SO2g        +         O2g           →          2SO3g       The…

Q: Define the concept of Equilibrium Constant and Free Energy Changes ?

A: Thermodynamics is a branch of chemistry that deals with the motion of heat. State functions like…

Q: pick the substance and conditions which should have the higher entropy. a)water at 0K b) water at 0C

A: a)water at 0K b) water at 0C

Q: Describe how the following changes effect the positional entropy of a substance (explain).…

A: Entropy is an important thermodynamic parameter that can be used effectively to explain the various…

Q: Is the bolded statement TRUE or FALSE? Free energy: 11. is exchanged between a system and the…

A: Work  Work is said to done when any system transfers energy to its surroundings by exerting force.…

Q: From your knowledge of microstates and the structure of liquid water, explain the difference in…

A: Finding: Microstates To find Structure of liquid water

Q: The second law of thermodynamics states that for a process to be spontaneous:         (A) The…

A: According to second law of thermodynamics, the overall entropy of the whole universe is always…

Q: Which of the following is true about entropy? (select all that apply) 1) Is a measure of the…

A:

Q: Which of the following reactions results in a decrease in entropy? CaCO3 (s) CaO (s) + CO2 (g) N2O4…

A: Unit temperature measurement of the thermal energy method  is not usable for practical application.…

Q: A solid sample at room temperature spontaneously sublimes forming a gas This change in state is…

A: Matter is something that occupy space and have volume . It exist in 3 phase ; solid , liquid and gas…

Q: sketch how the entropy of water changes as it is heated from -50 °C to 110 °C at sea level. Show the…

A: The entropy changes with the temperatures are shown in the figure below:

Q: Which of the following statements is correct regarding the change in Gibbs free energy of a chemical…

A: Gibbs free energy is a measure of maximum available work that can be extracted from any system under…

Q: Consider the reaction: N2(g) +  F2(g) →  NF3(g)  , ΔH° = -249 kJ and ΔS° = -278 J/K   at 25°C…

A: We have to calculate ∆G∘ for the reaction and have to determine whether the equilibrium composition…

Q: For each of the following, indicate whether entropy is increasing or decreasing: Arranging flowers…

A: Entropy is the measure of randomness or disorderness. It increases as the randomness increases. a)…

Q: 0 Entropy is a measure of the (1) acidity of a sample (2) disorder of a system (3) concentration of…

A: Entropy : It is a thermodynamic quantity. Entropy is a state function. It means that the value of…

Q: Predict the change in entropy of the following reaction. NH2 I H2

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: What is the value of Q when each reactant and product is in its standard state?

A: Reaction quotient Q:          It tells about the relative amounts of products and reactants present…

Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: 1) Statement 1 is incorrect as the work done in case of constant volume system will be 0 while in…

Q: 3) Give five examples of reactions that result in increase in entropy of the system.

A: We are authorized to solve only one question at a time. Please post rest of the questions…

Q: Which of the following substances is likely to have the highest entropy? Link to Physical Constants…

A: The substances given are He, H2, CO2, N2 and H2O (l).

Q: Determine the final temperature of a reaction that was initially 25 C, given that its equilibrium…

A: Given : The enthalpy change of reaction = 60.15 KJ/mol = 60150 J/mol…

Q: The reaction of ethanol with ethanoic acid produces ethyl ethanoate and water. C,H;OH(1) +…

A: Water plays an important role in the esterification reaction. The presence of water in the reaction…

Q: Which process results in the increase in entropy of the universe?

A: Entropy is the randomness or disorderness in a system. The change in entropy is positive when…

Q: What is delta G for this reaction in kJ/mol?

A: Given :-     K = 81.7                    T = 25°C  To calculate :- ∆G (in kJ/mol) ∆G= -RTlnk

Q: Predict whether the entropy change is greater or less than zero for the following process: dry ice…

A: Determine entropy change on dry ice subliming ---

Q: Does entropy increase or decrease in the following process? N2 + 3H2 → 2 NH3

A:

Q: Which of the following best describes the property of entropy? a measure of the disorder of the…

A: Here, among the given options, we have to find which one describes the property of entropy.

Q: 1. The magnitude of any enthalpy change depends on the conditions of temperature, pressure and state…

A: Solutions-

Q: a certain chemical reaction, the standard Gibbs free energy of reaction is -133. kJ. Calculate the…

A: Gibbs Free Energy : For a general reaction given below :  A + B ⇌ C + D  Let;s say the equilibrium…