CCl4 (l)  <- ->  CCl4 (g)      At what temperature does the phase change become spontaneous?  (Give in K and in ℃).

Q: Which of these reactions is expected to be spontaneous at all temperature?          (A

A: We have to tell which reactions is expected to be spontaneous at all temperature

Q: Which one of the following is always positive when a spontaneous process occurs? * AH(sys +sur)…

A: The second law of thermodynamics gves the insight of the direction of any spontaneous process.

Q: Consider the reaction:  H2S(g)+SO2(g)---> 3S(g)+2H2O(l) for which delta H is -233 kJ and delta S…

A: Given:

Q: Explain the difference between a spontaneous and non-spontaneous process, and provide an example of…

A: Difference between spontaneous and non-spontaneous process :

Q: For each reaction, calculate ΔH °rxn, ΔS°rxn, and ΔG°rxn at 25 °C and state whether or not the…

A: Standard heat of formation of N2O4 (ΔHfo) = 9.16 KJ/mol. Standard heat of formation of NO2 (ΔHfo) =…

Q: For each reaction, calculate AHn, ASn , and AGn at 25 °C and state whether or not rxn rxn the…

A:

Q: Arrange the following substances in order of increasing molar entropy at 25°C: Ne(g), SO2(g), Na(s),…

A: • The given substances is -            Ne(g) , SO2(g) , Na(s) and H2O(l)    • We need to arrange the…

Q: C4H10 (g)+6.5 O2 (g) --> 4CO2 (g) +5H2O (g) favors spontaneous or nonspontaneous?

A: In this question, we will see this reaction is spontaneous or not.  You can see details Solution…

Q: Arrange the following substances in order of increasing molar entropy at 25°C: Ne(g), SO2(g), Na(s),…

A: Entropy is a measure of randomness of any compound. Which means the compound whose molecules move…

Q: Calculate ΔG for the following reaction at 30°C. Will the reaction occur (be spontaneous)? How do…

A:

Q: At what temperature will a reaction become spontaneous, if its AS is +100.3 J/mol and AH° is +48.90…

A: Given : ΔSo = 100.3 J/mol. And ΔHo = 48.90 KJ/mol = 48900 J/mol.…

Q: Which substance has the greatest entropy, He(g) or Na(s)? Explainyour reasoning.

A: ENTROPY: Entropy is defined as a measure of the randomness or the disorderliness of a thermodynamic…

Q: Change Is this change spontaneous? O Yes. A solid precipitates from a solution, releasing heat as it…

A:

Q: At what temperature/temperature range does this reaction become spontaneous? Explain your reason.…

A: Given, Br2(l)⇔br2(g)and△H=30.91kJ△s=0.0933kJ/Kwe know that ;△G=△H-T△Swhere, △G= Change in Gibb's…

Q: a. N2 (g) + 3Cl2(g) → 2NCl3(g) ΔHo = 460 kJ/ mol; ΔSo = - 275 J/ K b. N2(g) + 3F2(g) → 2NF3(g) ΔHo =…

A: Here given multiple question...

Q: Consider the following reaction: N2(g) + 3H2(g) ⇄ 2NH3(g) A. When would this reaction be…

A: Reaction :                                   N2(g) + 3H2(g) ⇄ 2NH3(g)…

Q: Which of the following processes are spontaneous:(a) the melting of ice cubes at -10 °C and 1 atm…

A: A spontaneous reaction is defined as a reaction that takes place on its own and no external energy…

Q: N,(g) + 0,(s) + heat ® 2 NO (g) A) Does the tendency to minimum enthalpy favor reactants or…

A: Tendency of minimum enthalpy and maximum entropy can favour products or reactants of a reaction…

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: For the reaction C2H6 (g) → C2H4 (g) + H2 (g) ΔH° is +137 kJ/mol and ΔS° is +120 J/K ∙ mol. This…

A: Given, The balanced chemical equation, C2H6 (g) → C2H4 (g) + H2 (g) ΔH°=+137 kJ = 137000 J, and ΔS°…

Q: 2 NH3 (g) + 2 O2 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: Consider the vaporization of liquid water to steam at a pressure of 1 atm.In what temperature range…

A: vapourization in which the process in which the liquid to vapor phase. an endothermic reaction is a…

Q: The heat of vaporization of methanol, CH3OH, is 35.20 kJ/mol. Its boiling point is 64.6°C. What is…

A: The change in entropy  for the vaporization of methanol has to be calculated, Given: The heat of…

Q: نقطة واحدة Mixing of two or more gases is a spontaneous process O non-spontaneous process none of…

A: *.When more than one gas mix together , then completely mix together and hence a spontaneous…

Q: 12. For a particular chemical reaction ΔΗ= 6.8 kJ and A--29 JK. Under what temperature condition Is…

A: Enthalpy of the given reaction is defined as the difference in the enthalpy of reactants and…

Q: Consider the following reaction at constant P. Use the information here to determine the value of…

A: From thermodynamics: ∆Ssurr=∆HT                                                              . . .…

Q: Which of the following reactions will NOT be spontaneous at any temperature?          (A) 2SO3(g)…

A: If Delta G is negative then reaction is spontaneous and if positive then reaction will never be…

Q: Our atmosphere is composed primarily of nitrogen and oxygen, which coexist at 25 °C without reacting…

A: The relation between Gibbs free energy and equilibrium constant is shown below: ∆G0 = -RTln Kp…

Q: For which set of values of AH and AS will a reaction be spontaneous at all temperatures? O AH = +10…

A: For a reaction to be spontaneous, change in free energy for a reaction must be negative.

Q: Consider a process which has ΔSuniv > 0 at 25°C. Which of the following statements is/are always…

A: Given that : We have to identify which of the following statements is/are always true : I) The…

Q: Which process is spontaneous at 298 K?a. H2O(l )---&gt;H2O(g, 1 atm)b. H2O(l )---&gt;H2O(g, 0.10…

A: To identify the spontaneous process at 298 K a. H2O(l )---&gt;H2O(g, 1 atm)b. H2O(l )---&gt;H2O(g,…

Q: Consider the following reaction at constant P. Use the information here to determine the value of…

A: The reaction taking place is given as, =&gt; CH4 (g) + 2 O2 (g) -----&gt; CO2 (g) + 2 H2O (l)…

Q: You are observing a reaction and discover that the reaction vessel is warm to the touch.  The…

A: Interpretation: We have to tell whether the reaction is spontaneous or not.

Q: 2. SO2(g) + O2(g), AH°25°C = +99.2 kJ and AS°25°C = +93.94 J/K. Is the reaction spontaneous at 25°C?…

A: The question is based on the concept of spontaneity of the reaction. if Gibbs free energy change of…

Q: Which of the following processes are spontaneous andwhich are nonspontaneous: (a) the ripening of a…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: At what temperature, in K,  does X (l)-->X(g) occurr spontaneously? Delta H°=+573 kj/mol Delta…

A: Given that:                Delta H° for the reaction = 573 KJ/mol                 Delta S° for the…

Q: The normal freezing point of n-octane (C8H18) is -57 °C.(a) Is the freezing of n-octane an…

A: Given that the freezing point of n-octane is -57 oC.

Q: which of the following is not spontaneous at room temperature? a) H2O (g) --> H2O (l) b) H2O(s) -->…

A:

Q: 2 NH3 (g) + 2 02 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: The combination that always gives a spontaneous process is __. a) +ΔH                       +ΔS b)…

A:

Q: Consider the following process:  F2(l) ->F2(s) The process is spontaneous at --- temperatures when…

A:

Q: 2 ΔΗ for the vaporization of benzene is 31.0 kJ/mol, and the boiling point (at atm of pressure) is…

A: We have been given that

Q: For a chemical reaction to be spontaneous at all temperatures, which of the following conditions…

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

Q: Explain why water spontaneously freezes to form ice below 0 °C even though the entropy of the water…

A: Entropy is the randomness or disorder. As the disorder increases the entropy increases, while the…

Q: the decomposition of hydrogen peroxide to water and oxygen,         H2O2(g) ⟶⟶ H2O(g) + O2(g) ΔΔH°…

A:

Q: The normal freezing point of n-octane 1C8H182 is -57 °C. In what temperature range is the freezing…

A: For freezing process  ∆H &lt; 0  and ∆S &lt; 0  So,  ∆G = ∆H - T∆S  at low temperature  ∆G &lt; 0…

Q: Which of the following is spontaneous at SATP?

A: CaCO3(s)+178 kJ→CaO(s)+CO2(g)  B option is spontaneous reaction at STP.  In the above reaction ∆S is…

Q: If either of the reactions is nonspontaneous but can become spontaneous, at what temperature might…

A: The relation between free energy and enthalpy is shown below: ∆G = ∆H -T∆S where; ∆G = change in…

Q: Consider the following reaction: N2(g) + 3H2(g) ⇄ 2NH3(g) A) Determine ∆Hrxn˚ and ∆Srxn˚ using the…

A: