Which of the following are spontaneous processes? 1. Ice melting at 1atm and 298 K (assume only ice is initially present). 2. Heat flowing from a hot object to a cold object. 3. An iron bar rusting.

Q: 6. At a constant pressure the following reaction is exothermic: 2 NOe) → N;Oe)- Which of the…

A: 2 NO2(g) ---> N2O4(g) This Reaction is exothermic (at constant pressure ). The reaction is…

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: Which of the following processes are spontaneous?(a) A satellite falls to Earth. (b) Water…

A: A spontaneous process occurs by itself (possibly requiring an initial input of energy) whereas a…

Q: Photosynthesis in plants converts carbon dioxide and water into glucose and oxygen. Calculate the…

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Q: Which of the following is a spontaneous process? A. A ball rolls up a hill B. A fruit turns yellow…

A: Given processes, A. A ball rolls up a hill B. A fruit turns yellow as it ripens C. Ice is formed at…

Q: 2. Calculate the temperature in which the following reactions become spontaneous. b) Reaction B: AH…

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Q: 3. Consider the dissolution of NH,NO, in a chemical cold pack a. Is the process spontaneous? b. Is…

A: Those reaction in which energy is absorbed are known as the endothermic reactions while the…

Q: Which of these processes is spontaneous?a. the combustion of natural gasb. the extraction of iron…

A: The spontaneous process can take place without having energy from the external source. In these…

Q: For the process, CO 2 (s) -> CO 2 (g), this process (and explain why) A. is always spontaneous B. is…

A: For any process to be spontaneous, the free energy change must be negative.delta G = delta H - T…

Q: SBr4 (g) → S (g) + 2 Br2 (l)         ΔGo = 77.75 kJ    ΔSo = 125.2 J/K    ΔHo = 115.4 kJ What would…

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Q: Which of the following processes is spontaneous? A) Heat coming out of an open oven. B) A puddle…

A: Spontaneous processes are those processes which donot need any external force to occur .  Ex.  A)…

Q: Solid N205 reacts with water to form liquid HNO3. Consider the reaction with all substances in their…

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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: For a spontaneous exothermic process, which of the following must be true

A: The given question tells that the reaction is spontaneous and exothermic

Q: Which of the following are spontaneous processes? a. Silverwares tarnish when exposed to air b. A…

A: Spontaneous processes = These are the process which occur without any external force.   a.…

Q: At 25 °C the formation of NH, (g) has a positive AS" systom. Is this reaction spontaneous or…

A: Given: ∆Ssystemo=+180 J/K T = 25oC ∆HfoN2g=0 kJ/mol∆HfoH2g=0 kJ/mol∆HfoNH3g=-45.9 kJ/mol

Q: Which of the following is a spontaneous process at atmospheric pressure? A. Water freezing at room…

A: Spontaneity of a process is define by the Gibbs free energy of reaction.

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: CCl4 (l)    CCl4 (g)      At what temperature does the phase change become spontaneous?  (Give in…

A: Answer is explained below.  For this problem required thermodynamic parameters are as follows:

Q: SO2(g)+2H2S(g) --> 3/8S8(s)+2H2O(g)  at what temperature does the reaction become spontaneous?

A: Since the reaction becomes spontaneous when the net gibbs free energy change of the reaction becomes…

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: ) Are the following processes spontaneous or nonspontaneous? What is the sign on AG? a. Water…

A: The spontaneous reaction occurs without any external conditions whereas the nonspontaneous reaction…

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

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Q: Which are spontaneous at high temperatures? Choose one or more: A 2H,S(g) + 30,(g) –→ 2H,0(g) +…

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Q: For a certain chemical reaction, ΔH°= ‒40.0 kJ and ΔS°= ‒150.0 J/K. (a) Does the reaction lead to an…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

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: One of the following processes is spontaneous at 298 K Which one? 1. H2O(l)-H2O(g, 1 atm) 2.…

A: One of the following processes that is spontaneous at 298 K is to be determined.

Q: The following reaction for the production of hydrogen cyanide is spontaneous under standard…

A: In given reaction , formation of HCN is a endothermic process.

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: Determine whether an example is spontaneous process (SP) or a non-spontaneous process (NSP). 6. ball…

A: A spontaneous process is a process which occurs without input of matter or  energy into the system.…

Q: Indicate whether the following processes are spontaneous or nonspontaneous.(a) Liquid water freezing…

A: Spontaneous reactions are those reactions which takes place without any intervention in the given…

Q: For the following decomposition reaction of ozone, O3 to form oxygen, O2. 2O3(g) →3O2(g) a)…

A: For a reaction to take place, some amount of energy is required. This energy is required to do work,…

Q: What must the sign of ∆G be for any spontaneous process

A: Dear student I have given answer to your question in the image format.

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 )--->H2O(g, 1 atm)b. H2O(l )--->H2O(g, 0.10…

A: To identify the spontaneous process at 298 K a. H2O(l )--->H2O(g, 1 atm)b. H2O(l )--->H2O(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: (a) Is the reaction spontaneous at 25°C? (b) The solid decomposed to NO2 and O2 at 25°C. Is the…

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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: Is the formation of acid rain spontaneous or non-spontaneous at 50°C?

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Q: Suppose that a reaction has AH = -28 kJ and AS= -60 J/K. At what temperature will it change from…

A: We have to predict the temperature.

Q: The standard enthalpy change and standard entropy change for the reaction are: AHP = -1036.0 kJ mol1…

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Q: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

Q: or a particular reaction, AH = -93.8 kJ and AS = -156.1 J/K. Assuming these values change very…

A: Solution - According to the question - Given - ΔH° = -93.8kJ ΔS° = -156.1J / K = -156.1x 10^-3 kJ /K…

Q: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

A: Given that:  T = 25°C = 25°C + 273 = 298K  dHrxn = 29.8KJ/mol

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

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Q: Consider the reaction for the decompositon of carbon tetrachloride gas: CCl4(g) ⟶ C(s, graphite) + 2…

A: For the given reaction,△H = +95.7 kJ = 95700 J    (1 kJ = 1000 J)△S = +142.2 J/KTemperature, T = 25…

Q: What is a spontaneous process? Provide an example?

A: Spontaneous process are those reactions that take place instantaneously without any external force.…

Q: 16. The standard enthalpy of vaporization of methanol is 35.2 kJ/mol at its normal boiling point,…

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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…