A reaction has an equilibrium constant (K) of 90.9.  If the entropy of this reaction is -69.1 J/mol K at a temperature of 280 K, what is the enthalpy of this reaction in kJ/mol?Report your answer to one decimal place. ΔG = ΔH - T ΔSΔG = -RT ln K

Q: Calculate AG°nxn: AG°rxn= kJ Part 3 Which phrase best describes this reaction under standard…

A: The standard enthalpy change and the entropy change of the reaction are given by: ∆H° = ∑∆H°f…

Q: a) H2(g)→ 2H(g) b) N2 (g. 1 atm) → N, (g, 8 atm) C) 2SO3(g) → 2SO,(g) + O2(g) d) C (Diamond) → C…

A:

Q: Calculate the change in entropy that occurs in the system when 55.0 g of water vaporizes from a…

A: Given data contains, Mass of water is 55.0 g. The boiling point is 100.0°C. Heat of vaporization is…

Q: Which of the following processes shows a decrease in entropy of the system? Select one: O a. 2 CO(g)…

A: Since we know that entropy depends upon the following factors  (1) Physical state of the molecules :…

Q: Which of the following changes in Gibbs free energy represents a spontaneous reaction? O AG(-) O…

A: To solve this problem we have to explain about the type of reaction according to value of ∆G .

Q: Of the following, which system shows a decrease in entropy? A CHJOH (ACH3OH (g) B. NaCI (s- Na (ag)…

A:

Q: Which reaction is most likely to have a decrease in entropy? O 3 NO2(g) + H2O(1) → 2 HNO3(1) + NO(g)…

A:

Q: Arrange the following sets of systems in order of increasing entropy. Assume one mole of each…

A: Entropy is an extensive quantity, which measures the random activity in a particular system. Entropy…

Q: Arrange the following sets of systems in order of increasing entropy. Assume one mole of each…

A: Entropy is a measure of randomness of a system. It is denoted by capital letter 'S' and its value…

Q: Use tabulated thermodynamic data to calculate the standard entropy change of each of the reactions…

A: As you have posted multiple subparts in 1 question and have not mentioned which part we have to…

Q: What is the enthalpy change when silver chloride form from the ions in an aqueous solution? What is…

A: The question is based on the concept of chemical thermodynamics. we have to calculate enthalpy,…

Q: For the following process, does entropy increase, decrease or remain the same: CacO3 (s) --> CaO (s)…

A: Thermodynamics is the study of flow heat in the system. The entropy is a thermodynamic quantity that…

Q: Does

A: 1- If temperature is constant but pressure will changed then entropy is inversely proportional to…

Q: Rank the compounds in each of the following groups in order of increasing standard molar entropy. a)…

A:

Q: o The following reaction proceeds in a beaker. Naclag) + AGNO3(aq) → NANO3(aq) + AgCl) a) What is…

A: Since you have posted question with multiple subparts as per guideline we can answer only three…

Q: Which reaction is most likely to have a decrease in entropy? O NaCl(s) → Na*(aq) + Cl(aq) O 2 NH3(g)…

A: When the reaction shows the positive entropy change then the reaction is spontaneous.

Q: Which process will result in an increase in entropy: a.) 2NO2(g) ---> N2O4(g) b.) H₂O(l)---> H₂O(s)…

A: Since, Entropy is a thermodynamic quantity. It measure the randomness. If randomness is more then…

Q: For each of the following reactions, indicate whether you would expect the entropy of the system to…

A: As the number of gaseous moles increases on the product side the entropy is said to be increasing…

Q: In which of the following reactions do you expect to observe a decrease in entropy? A. N₂(g) + O₂ 2…

A:

Q: positive entropy change.

A:

Q: A box contains a gas composed of 12 atoms each corresponding to the different stable isotopes of Tin…

A:

Q: Which of the following would be expected to have positive entropy change?   Cooling of nitrogen…

A:

Q: 10.43 Which reaction occurs with the greater increase in entropy? Explain yo (b) Br,(g) + Cl,(g)→ 2…

A: 10.43 has been solved. For 10.47 b, more data is needed from the table.  Entropy is the measure of…

Q: For each pair of substances listed here, choose the compound predicted to have the higher standard…

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: Use the Thermodynamic Quantities Table in your text (Appendix C) to calculate the equilibrium…

A: Given:  The reaction equation is given as -                                                  N2 (g)…

Q: Suppose that two systems, each composed of two particles repre- sented by circles, have 20 J of…

A: Given data: Two systems, each compound of two particles, represented by the circkes have 20 J of…

Q: 3. The standard free energy change at room temperature may be calculated as   A,…

A: Given  A, ΔG°=∑νΔG°(products)−∑νΔG°(reactants)   B, ΔG°=∑νΔG°(reactants)−∑νΔG°(products)   C,…

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH (g) →3 Ni(s) + N,(g) + 3 H,O(g) K If AH° =…

A:

Q: For each pair listed below, which choice has the substance with the highest entropy listed first?…

A: Entropy is a measure of the energy dispersal in the system. It is the measure of a system's thermal…

Q: 35. List the following in terms of increasing entropy (from lowest to highest), assuming one mole…

A: Since as we know that ;  (In one mole )  Entropy of N2 (g) = 191.61 J/K.mol Entropy of HNO3 (l) =…

Q: For each of the following reactions, indicate whether you would expect the entropy of the system to…

A: Entropy gives us the sense of how random the molecules in the system are. Higher entropy means…

Q: Mg(s) + 2HCI(aq) MgCl, (aq) + H2 (g) + 1550kJ For this reaction at 25°C, · Change in enthalpy:…

A: 1.) Sign of change in enthalpy can be determined from position of heat.  2.).Sign of change in…

Q: For the following reactions, indicate whether the entropy of the system increases, decreases, or…

A: Entropy of the system of given three reactions are -

Q: 9. Which of the following statements best describes the entropy of water that freezes in a beaker?…

A:

Q: Given the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in…

A: The Gibb’s equation of thermodynamic purposed a relation between ΔS, ΔH and ΔG with Temperature.…

Q: Predict which member of each of the following pairs has the greater standard entropy at 25 °C25 °C:…

A: Answer:- This question is answered by using the simple concept of entropy which is the degree of…

Q: 8. The following constant pressure process occurs spontaneously when the system, initially at a…

A: Spontaneous reactions are those reactions which do not require any external force for completion.…

Q: Arrange HCl(l), NaF(s), and SiF4(g) in the order of decreasing standard molar entropy at 25°C.

A: Arrange HCl(l), NaF(s), and SiF4(g) in the order of decreasing standard molar entropy at 25°C.

Q: Given the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in…

A: The Gibb’s equation of thermodynamic purposed a relation between ΔS, ΔH and ΔG with Temperature.…

Q: 4. Arrange the following substances (1mole each) in order of increasing entropy at 25°C; (a)Neg) (b)…

A: A question based on increasing entropy of different substances, which is to be accomplished.

Q: Which of the following rcactions will have a positive change in entropy (ASn)? →2 NO2 (g) a) NO (g)…

A: Entropy ( S ) :  It is a measure of randomness or disorderness in system. Entropy is more in gaseous…

Q: Which of the following reactions is likely to have the most negative change in entropy? NH3(g) b.…

A:

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: For each of the following reactions, indicate whether you would expect the entropy of the system to…

A: Entropy is the randomness in the system. Gases have more entropy than liquids. Similarly, liquids…

Q: Does the entropy increase or decrease in these reactions? Why? a) 4 Al + 3 O2 → 2 Al2O3 b) C + 2…

A: Entropy of a system measures the degree of disorder or randomness of a system. It can be of 2 types…

Q: 2.) Use the standard enthalpy values in Appendix 2 to calculate the standard entropy changes for the…

A: Entropy changes for the following reactions are:   ∆Sreaction° = ∑n×S°product - ∑ n×S°reactant

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

A: GIVEN: Chemical equation: To solve: Standard change in gibbs free energy=? Solution:

Q: Which pure substance under standard conditions would have the highest entropy?   O2   HCl   CH3OH…

A: Standard conditions are usually defined as 298 K (25 degrees Celsius) and 1 atm of pressure. Note…