Which reaction is most likely to have a positive ΔSsys?a) SiO2(s) + 3 C(s)¡SiC(s) + 2 CO( g)b) 6 CO2( g) + 6 H2O( g)¡C6H12O6(s) + 6 O2( g)c) CO( g) + Cl2( g)¡COCl2( g)d) 3 NO2( g) + H2O(l )¡2 HNO3(l ) + NO( g)

Q: Consider the reaction in the previous problem H2O2 0 H20 + O2e) Is the reaction spontaneous or…

A: A spontaneous reaction is one which takes places on its own. For a spontaneous reaction, ∆G∘should…

Q: For the following reaction:    H° = -1037 kJ and S° = -153 J/K Calculate G° at 25°C for this…

A: Given that : H° = -1037 kJ = -1037000 J and S° = -153 J/K We have to calculate G° at T = 25°C = 298…

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: According to the question about the formation of ammonia we have, The Change (decrease) in the…

Q: For the gaseous reaction of carbon monoxide and chlorine to form phosgene (COCl2), perform the…

A: Given,ΔHo = −220. kJ/molΔGo = −206 kJ/molTemperature = 298 K

Q: 1. Consider the freezing of liquid water at -10°C and 1 atm. For this process, what are the signs…

A: Exothermic transitions are those transitions that release heat for example freezing and condensation…

Q: Under the standard state and 260 °C, the solid of ammonia hydroxide NH4OH (s) decomposes explosively…

A: NH4OH (s)  ==> NH3 (g) + H2O (g)

Q: Calculate the change in entropy that occurs in the system when 45.0 g of acetone (C3H6O) freezes at…

A: The given mass of acetone = 45.0 g The molar mass of acetone = 58.08 g/mol The moles of acetone are…

Q: Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) +3 02(g) - 2…

A: Given, The balanced chemical equation is given below, 2H2O(g)+3O2(g)→2SO2(g)+2H2O(g) Then, ∆H=-1036…

Q: Br () H Pd on C (a) () NANO, HCI, 0-5 °C () CUCN NO2 KMno, (b) heat Pd(OAc), PPh, (c) -B(OH Na,Co,…

A:

Q: Above what temperature does the following reaction become nonspontaneous? N204(9) + 4 H2(g) → N2(9)…

A:

Q: A) AG becomes less negative and the reaction becomes less spontaneous. B) AG becomes more negative…

A:

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: we have to calculate the value of ∆SUNIV

Q: Which best describes the entropy change for the following process? 2 SO2(g) + O2(g) → 2 SO3(g) А.…

A: We know that, Entropy measure randomness. Gas having more randomness than solid and liquid.

Q: Reaction A: glucose + fructose ⇒ sucrose Reaction B: ATP → ADP + Pi AG" = +27.0 kJ/mol AG= -30.5…

A: A reaction is spontaneous when the Gibbs free energy, ∆Go' is negative.  A reaction is…

Q: 73. Given the following data Ca(s) + 2C(graphite) → CaC2(s) Ca(s) + O,(g) –→ CaO(s) CaO(s) + H,O(1)…

A:

Q: 46. Which of the following involves a decrease in entropy? A) the sublimation of solid CO2 into CO2…

A: The correct answer about entropy is given below

Q: Reagent Baeyer's reagent Alkane Alkenes Alkynes Aromatic Alkylbenzene Is there a reaction? What is…

A: Baeyer's reagent is alkaline potassium permanganate it can as oxidation agent .this oxidation will…

Q: 2Al(s) + 3Cl2(g) → 2AlCl3(s) Find the change in internal energy for this reaction. Enter in kJ.

A: The given equation is:

Q: d Silver nitrate is added to a solution of sodium chloride and a precipitate forms. spontaneous…

A: Here we have to predict whether the following given reactions are spontaneous or nonspontaneous…

Q: The dissolution of ammonium nitrate occurs spontaneously in water. As NH4NO3 dissolves, the…

A:

Q: 4. In general, AG, for dissolution reactions is at low temperatures and at high temperatures. zero,…

A: In general, heat energy is released as gas dissolves in solution, meaning the dissolution reaction…

Q: What is the ΔHorxn for the production of propane, C3H8, given the following reaction enthalpies:…

A: We have given that  What is the ΔHorxn for the production of propane, C3H8, given the following…

Q: Above what temperature does the following reaction become nonspontaneous?         2 H2S(g) + 3…

A:

Q: If heat from the surroundings was absorbed by the system, and the products were more ordered than…

A:

Q: What is the change in internal energy (in kJ/mol) of the given reaction if 2 moles of sulfur dioxide…

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: The value of Ke for the reaction A= B is 0.425 at 50.0°C and 0.625 at 100.0°C. Calculate AH° for the…

A: Given reaction  A  <--> B  Kc = 0.425 at T1 = 50°C = 323 K Kc = 0.625 at T2 = 100°C = 373 K

Q: Predict the sign of ΔSₛᵧₛ for each process:(a) Alcohol evap-orates. (b) A solid explosive converts…

A: Entropy is a measure of a degree of randomness or a degree of disorder of molecules in a system.

Q: The heats of the following reactions at 25°C are: Na(s) + 1/2Cl,(g) → NaCl(s) AH° = - 98230 cal…

A: The heat of the reaction is the energy that is released or absorbed when chemicals compounds are…

Q: What is the entropy change when 1.55 moles of CHCl₃ vaporizes at 61.0 °C? [∆H(vap) = 29.6 kJ/mol at…

A:

Q: The decomposition of calcium carbonate is given by the reaction, CaCO3(s) → CaO(s) + CO2(g).…

A: (a)The reaction for the decomposition of one mole of calcium carbonate is obtained by reversing the…

Q: (Q67) What is the entropy change (in J/K) in the universe (ASuniverse) that occurs when nitrogen and…

A:

Q: Given the following chemical reaction occurring in a 2.00 L container: A (g) + 2 B(s) ↔ 4 C(g) + 3…

A:

Q: 1. Iron(II) oxide (FeO) is used in cosmetics and in tattoo inks as a dye. Iron(II) oxide reacts with…

A:

Q: Which of these processes are nonspontaneous? Are the nonspon-taneous processes impossible? a. a bike…

A: Spontaneous processes are those which take place on their own such as rusting of iron. These are…

Q: What is the change in internal energy (in kJ/mol) of the given reaction if 2 moles of sulfur dioxide…

A:

Q: 6. Consider the reaction: N204(g) + 2NO2(g) Calculate AG for the reaction above at a temperature of…

A:

Q: What is the free energy change for the process shown here under the specified conditions? T = 25…

A: We know that ∆G = ∆G° + RTlnQ ..(1) Here, Q = pH2^3*pN2^1/pNH3^2 = (0.250)^3(0.870)/(12.9)^2 =…

Q: 10.27) Without doing a calculation, predict whether the entropy change will be positive or negative…

A: Interpretation-  To predict whether the entropy change will be positive or negative when each of the…

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

A:

Q: which of the following is a process with a negative △s? CaCo3---CaO(s) + CO2 (g) H2O (l)----H2O…

A:

Q: reaction does not move forward and backward (meaning only move to one direction; could be product…

A: Direction of reaction is determined by the help of Gibbs free energy change (□G) For product favored…

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: What is the free energy change for the process shown here under the specified conditions? T= 25 °C,…

A: Calculation of QP: QP=PN2×PH23PNH32=0.870×0.250312.92=0.000327

Q: Predict the sign of entropy. Write P if it is positive and N for negative. • sugar dissolving in tea…

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

Q: 2. Predict the sign of ASsys for each process. a. A piece of wax melts. Positive b. Silver chloride…

A:

Q: Tungsten trioxide (WO3) is a dense yellow powder that, because of its bright color, is used as a…

A: Reaction: WO3(s) + 3H2(g) → W(s) + 3H2O(g) Condition for spontaneous reaction: ∆G∘ of reaction must…

Q: The dissolution of ammonium nitrate occurs spontaneously in water. As NH4NO3 dissolves, the…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: A simple chemical system has an entropy value of 8.07E-23 J/mol K. How many microstates does this…

A: By the relationship between entropy and microstate , we have ;  S = KB ln Ω ----------------(I)…