Consider the formation reaction of water, the hydrogen balloon reaction: 2 H,(g) + 0,(g) → 2 H,O(g) Which ONE of the following statements is FALSE for this reaction? Α ΔΗ 0 B AS< 0 The reaction is spontaneous at all C temperatures. AG = 0 at some very high D temperatures.

Q: For the process: Z₂(g) →2 Z(g), AH° = +478 kJ. What would be predicted for the sign of ASxn and the…

A: Given reaction: Z2(g) → 2Z(g),     ∆H∘ = +478 kJ We have to find the sign of ∆Srxn and the…

Q: 50. For the process O2(g) → 2 O(g), AH° = +498 kJ. What would be predicted for the sign of ASrxn and…

A: 50. The given process has a positive sign for enthalpy change. Hence, the process will be an…

Q: Q1.) For a certain chemical reaction, ΔH∘ = - 35.4 kJ and ΔS∘ = - 88.0 J/K 1. Exothermic or…

A: Answer 1: Exothermic or Endothermic? ΔH∘, represent heat content of the system which is expressed by…

Q: the following reaction 2 NO (g) +  O2 (g) -> 2 NO2 (g) Horxn = -12 kJ and Sorxn = -146 J/K. a.…

A: Given-&gt; 2NO(g) + O2(g) ---&gt; 2NO2(g) ∆H°rxn = -12 KJ = -12000 J (1 KJ = 1000J) ∆S°rxn = -146J/K…

Q: At what temperatures is the following process spontaneous at 1 atm? ΔH° = +20 kJ and ΔS° = - 50 J/K

A: The reaction is always non-spontaneous at all temperatures.

Q: Suppose we redefine the standard state as P = 2 atm. Find the new standard ΔG°f values of each…

A: a) The standard state has P= 2 atm. Equilibrium constant for this reaction is calculated as…

Q: Consider the process of water boiling in a beaker that is open to the atmosphere. Which of the…

A: In the given question, we are boiling water in a beaker and then have to see its thermodynamic…

Q: 2.2.Predict if the following reaction is spontaneous or not. CO,6)CO(g) at 25°C 2.3. If the door of…

A: Carnot engine is a heat engine which operates in a reversible cyclic path.

Q: Calculate ΔG° using (a) free energies of formation and (b) enthalpies of formation and entropies. Do…

A: Gibbs free energy change is used to determine the spontaneity of a process. It is expressed in terms…

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: Which of the following reactions correctly depict reactants and products in the correct state to…

A: In the reaction, states of matter was written as a subscript to the molecules which takes part in…

Q: For the combustion of CO(g): 2CO(g) + 02(g) 2CO2(8) the reaction is spontaneous at 25 °C. What can…

A: First, calculate the standard enthalpy of the reaction as follows: ∆H° = 2∆H°CO2(g) -  2∆H°CO(g)+…

Q: 1.) Consider the following reaction: 2 AB (g) + B2(g) → 2 AB2(g) AH° = -485.0 kJ/mol a.) Do you…

A: a) ∆Ssys = negative  Explanation : 1) First reason is,  this reaction is exothermic reaction because…

Q: 6.Sodium reacts violently with water according to the equation: 2 Na(s) + 2 H2O(l) → 2 NaOH(aq) +…

A: Now as the temperature of the water is higher, it signifies that the reaction was endothermic and…

Q: Without doing any calculations, determine the sign of AS and ASu for each chemical reaction. In…

A: Entropy is a unit of randomness.More the number of moles,more will be the entropy.Change in entropy…

Q: Predict the sign of delta H and delta S for the reaction X(s) = X(g) and state under what conditions…

A: As solid  X is transformed into gaseous species. thus in this reaction entropy increases as the…

Q: Suppose we redefine the standard state as P = 2 atm. Find the new standard ΔGf​ values of each…

A: a). HCl(g) The standard state has P= 2 atm.

Q: 2 ClO2 (g)   +  2 TiCl4 (l)    →     2 TiO2 (s)   +   5 Cl2 (g)         Delta H =  – 343.8 kJ when…

A: Please have a look on the solutiion:

Q: Consider the reaction: 2 POCl3 (g) -> 2 PCl3 (g) + O2 (g) A) Calculate DGrxn° for the reaction…

A: Free energy helps us in determining whether the reaction is spontaneous or non-spontaneous. The…

Q: It refers to how a circumstance can occur without the help of any external factors? a. Enthalpy O b.…

A:

Q: Is the reaction Si (s) + 2 H2 (g) --> SiH4 (g) spontaneous under standard conditions at 298 K?…

A: Given, Reaction : Si(s) +2H2(g) →SiH4(g) Temperature, T=298 K

Q: If a chemical reaction is exothermic, but not spontaneous, which of the following must be true? AG v…

A: Here, we have to assign the sign of all thermodynamic properties.

Q: 63. Calculate ΔH°ΔH° for the process Sb(s)+5/2Cl2(g)⟶SbCl5(s) from the following…

A: The required reaction is: The given reactions are:

Q: Consider the oxidation of NO to NO2 :NO(g) + 12 O2(g)¡NO2(g)Calculate ΔG°rxn at 25 °C and determine…

A: If the value of free energy is negative that means the reaction is spontaneous whereas the value of…

Q: Consider the following reaction: CH3OH(g) --> HCHO(g) + H2(g); DHo = 85 kJ (2)…

A: As this reaction is endothermic in nature as Del H is positive

Q: Vhich of the following statements is TRUE regarding the spontaneity of the exothermic reaction isted…

A: Q. Which of the following statements is True regarding the spontaneity of the exothermic reaction…

Q: (6: 2 pts): What is the second law of thermodynamics? How are ice freezing and water boiling…

A: The second law of themodynamic: The entropy of the surroundings increases by an amount equal to the…

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

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

Q: For the reaction 2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ. Which of the following is true?…

A: The given reaction is,  2 NH3 (g) --&gt; N2 (g)+ 3 H2 (g) , ∆H = +92 kJ ∆H is positive, that means…

Q: Which statement is true for the temperature dependence of the reaction below if DH = 1319 kJ/mol and…

A:

Q: A chemical engineer wants to determine the feasibility of making ethanol (CHOH) by reacting water…

A:

Q: For the following reaction: SO2 (g)_± ½ O2(g)→ SO3(g) For this reaction to be spontaneous, what must…

A:

Q: N2(g) + O2(g)⟶2NO(g)        ΔH = 180.5kJ NO(g) + 1O2(g)⟶NO2(g)ΔH = −57.06kJ 2   Calculate the ΔH…

A: Given data N2(g) + O2(g)⟶2NO(g);        ΔH1 = 180.5 kJ --------------------equ (1)  NO(g) +…

Q: What is the maximum amount of useful work that could possibly be obtained at 25 °C and 1 atm from…

A:

Q: 4. According to the 2 law of thermodynamics, ASi must be positive for a process to be spontaneous.…

A: SYSTEM: System is that part of universe which we are experimenting on or which we are considering.…

Q: Which of the following variables tells us about the extent of a reaction in thermodynamics?    a.…

A: Extent of reaction defines the amount of conversion of reactant to the product or how much reactant…

Q: For the reaction below, calculate the value of the temperature at which the reaction becomes…

A: Given reaction: 4 Ca3PO4 (s)  +   3 O2 (g)    →    12 CaO (s)   +   P4O10 (s)  ∆H = +5946.8  ∆G =…

Q: Which of the following statements is true of process that is spontaneous in the forward direction?…

A: We have to tell which option is correct from given choices of options.

Q: . Calculate ΔH° for the process Co3 O4(s) ⟶ 3Co(s) + 2O 2(g) from the following information:

A: The above problem is based on Hess's law,  The enthalpy change for the overall process is the sum of…

Q: A mathematical interpretation of First Law of Thermodynamics is: O a. Q=ART O b. Q=AU + A C. Q=RT

A: Given  First law of thermodynamics

Q: Which of the following processes is both exothermic (at 1 atm) and spontaneous? A) Sublimation of…

A: The process which is both exothermic and spontaneous is condensation of water at 99.5°C.

Q: Calculate the temperature, in Kelvins, at which the decomposition of calcium carbonate becomes…

A: Given:The reaction is

Q: Consider the reaction described by the chemical equation shown. 3C,H,(g) → C,H,(1) AHn = -633.1 kJ…

A:

Q: Gibbs Free Energy, G (kJ) Reactants Products On the graph, label a composition where AGn > 0 with a…

A:

Q: In which case will a chemical reaction ALWAYS proceed spontaneously at all temperatures (DH and DS…

A: Feasibility of a reaction depends on the change in Gibbs free energy ∆G.  The value of change in…

Q: If a process is exothermic and not spontaneous, then what must not be true? a) AG>0 b) AH0 d) AS<0

A: For exothermic process, ΔH &lt; 0 For non spontaneous process, ΔG &gt; 0

Q: Suppose we redefine the standard state as P = 2 atm. Find the new standard  values of each…

A:

Q: Question attached

A: A reaction is considered as spontaneous when the Gibbs free energy of the reaction (∆Gorxn) is…

Q: Consider the following reaction: CaCO 3(s) CaO (g) +CO 2(g) For this reaction, delta S = +158.9…

A: For a spontaneous reaction, deltaG should be negative. From the given delta H and delta S values,…