Find ΔS° for the formation of CH2Cl2( g) from its gaseous elements in their standard states. Rationalize the sign of ΔS°.

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

A: To determine the sign of ∆S syst and ∆Ssurr for the following reactions:

Q: Consider the following reaction at 298 K. C(graphite) + 2 Cl,(g) CCI, (1) AH = -139 kJ Calculate the…

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Q: Estimate the sign of the entropy change for the reaction: CACO3 (s) → CaO (s) + CO2 (g)

A: Given :-  CaCO3(s) → CaO(s) + CO2(g)  To be determined :- sign of ∆S (entropy change)

Q: Consider the reaction shown below:             SnCl4(l) + 2 H2O(l) → SnO2(s) + 4 HCl(g)  ΔH˚ =…

A: Since the relationship between ΔG˚, ΔH˚ and ΔS˚ for any reaction is given by  ΔG˚ = ΔH˚ - T ΔS˚…

Q: 1. Rank the following from lowest to highest entropy. (a) CaH:s (1), CaHso(g), CaoHs (5) (b) Si (s),…

A: The correct answer about entropy is given below

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: Pure crystalline silicon, Si (s), can be obtained by reacting silicon dioxide (in the crystalline…

A: The ∆H0 and ∆S0 of the reaction can be calculated as follows:

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: A student calculated that for a given reaction, ∆S = 22J/K and ∆H =6028 Joules. At which temperature…

A: The relation between Gibbs free energy, enthalpy and entropy with temperature is  ∆G = ∆H - T∆S  If…

Q: If AH = -50.0 kJ and AS = -0.400 kJ/K , the reaction is spontaneous below a certain temperature.…

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Q: Predict the sign of the entropy change, AS, for the following processes. Explain the reason for each…

A: Entropy is a thermodynamic quantity, it measures the randomness or disorderness of a molecule or…

Q: 15) Consider the reaction for the decomposition of carbon tetrachloride gas: CCIA(g) C(s, graphite)…

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Q: Predict the sign of the entropy change. Justify your answers.  a) 2 HCl (g) + Br2 (l) --> 2HBr…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

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 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: Find ΔS° for the combustion of methane to carbon dioxideand liquid water. Is the sign of ΔS° as…

A: To Find: To find the ∆So value for the combustion of methane to carbon dioxide and liquid water. And…

Q: 17. Classify the following processes as spontaneous or nonspontaneðus. Expl your answers in terms of…

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Calculate the entropy change for the following reactions, using the tabulated standard molar…

A: Nitrogen oxide reacts with oxygen to form nitrogen dioxide, the equation for the balanced chemical…

Q: Which of the following processes are spontaneous?(a) Earth moves around the Sun. (b) A boulder rolls…

A: Non spontaneous process sun and the earth are attracted to each other due to the gravitational…

Q: Consider the following reaction   AgBr(s) → Ag+(aq) + Br−(aq), ΔGo = +69.1 kJ   Calculate ΔG for the…

A: The relation between ∆G and ∆Go is  given by: ∆G = ∆Go + RT lnQ Where, R = universal gas constant,…

Q: When in 1 atm of pressure, when is the reaction of formation of ozone from oxygen spontaneous? 3 O2…

A: We have to tell given reaction is spontaneous or not

Q: 9) Consider the following reaction FeO(s) + CO(g) → CO:(g) + Fe(s) AH = -11.0 kJ; AS = -17.4 J/K a)…

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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: 17. Classify the following processes as spontaneous or nonspontaneõus. Explain your answers in terms…

A: Hi, we are supposed to answer one question. To get the remaining questions solved please mention the…

Q: Which of the following processes are spontaneous: the reaction of hydrogen gas with oxygen gas to…

A: A reaction is considered as spontaneous when it releases free energy and it favors the formation of…

Q: Under what temperature range would the following reaction be spontaneous?   N2(g) + 3 H2(g) ⇌ 2…

A: The given problem can be solved by using the formula given below as; ∆G°=∆H° - T∆S°…

Q: CaO (s) + CO2 (g) → CaCO3 (s) At what temperature does the reaction become spontaneous?

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Q: 4 NH3 (g) + 5 O2 (g) -4 NO (g) + 6 HzO (g) ArHo = -906 kJ For the reaction above, predict the sign…

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Q: Which equation represents the second law of thermodynamics? A. ΔS univ > 0 B. ΔS sys > 0 C. (Δ S…

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Q: 2. Define and give an example: Spontaneous, exergonic 3. Define and give an example:…

A: These all are the terms related with chemical thermodynamics. There are many reactions which occur…

Q: waterand For the decomposition of hydrogen peroxide to H202(9) oxygen, → H20(g) + %02(g) AH = -106…

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Q: Use data from Appendix 4 (or similar sources for Thermodynamic Data), calculate ΔH°, ΔS°, and ΔG°.…

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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: Consider the following reaction: CaO(s) + CO2(g) → CaCO3(s); ΔG° = –130.9 kJ at 298 K At what…

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Q: Predict which member of each of the following pairs hasthe greater standard entropy at 25°C: (a)…

A: In this question, first we will see which substance have greater standard entropy value. You can see…

Q: For a given reaction, ΔH = +31.15 kJ/mol and ΔS = +126.83 J/K · mol. Above what temperature is the…

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Q: Consider the formation reaction of water, the hydrogen balloon reaction: 2 H,(g) + 0,(g) → 2 H,O(g)…

A: The reaction given is, => 2 H2 (g) + O2 (g) → 2 H2O (g)

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: For the synthesis of ammonia where AG' = -33.3 kJ/mole, determine whether the reaction is…

A: The reaction given is, => Given:   And ΔGo = -33.3 KJ/mol = -33300 J/mol…

Q: 6. For each reaction below, determine the sign of AH and AS. Also state under what conditions the…

A: The spontaneity of any reaction is known with the help of sign of ΔH and ΔS. ΔG=ΔH-T ΔSSpontaneous…

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

A: (a) The given reaction is, CCl4g→Cs,graphite+2Cl2g ∆H=+95.7 kJ∆S=+142.2 J/KT=25°C=25+273K=298 K

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

A: Standard entropy is defined as the entropy of pure substance under a standard state. It is denoted…

Q: For a particular reaction, AH = 20.1 kJ/mol and AS" = 45.9 J/(mol-K). Assuming these values change…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: Calculate the temperature in kelvins above which this reaction is spontaneous.

A: We have to Calculate the temperature in kelvins above which this reaction is spontaneous.

Q: Which expression defines the change in free energy? a. ΔΗ + ΤAG c. ΔΗ-TAS b. ΔΗ+TAS d. ΔS-ΤΔΗ

A: We have to predict correct statement for change in free energy.

Q: Consider the reaction, O2(g) ⇌ 2 O(g) where ∆H° = 498 kJ/mol at 25°C.  At what temperatures (high or…

A: The given reaction is: O2(g) ⇌ 2 O(g) ∆S˚ is given by: ∆S°=S°products-S°reactants Since there are…

Q: Which are spontaneous at all temperatures? Choose one or more: 2H,S(g) + 302(8) –→ 2H,0(g) + SO,(g)…

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