What is the entropy change when 2.30 moles of CCl₂F₂ vaporizes at 25.0 °C? [∆H(vap) = 17.2 kJ/mol at 25.0 °C]

Q: Calculate ∆Gº for the reaction, 2CH4(g)+3O2(g)→2CO(g)+4H2O(g), given ∆Gºf for CH4(g)=-50.8 kJ/mol,…

A:

Q: Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this…

A: The given equilibrium reaction is  2 NO(g) ---------->  N2(g) + O2(g) The enthalpy change at 298…

Q: 1. Given that A,H° = –2219 kJ/mol-rxn and that A, S° = -216 J/K · mol-rxn at 25 °C, determine the…

A: Gibb's free energy of the system (G) is a thermodynamic property which is a state function. The…

Q: Calculate ∆Gº for the reaction, 2C2H6(g)+5O2(g)→4CO(g)+6H2O(g), given ∆Gºf for C2H6(g)=-32.9 kJ/mol,…

A: 2C2H6(g)  +  5O2(g)  →  4CO(g)  +  6H2O(g) ∆Gºf for C2H6(g)=-32.9 kJ/mol, ∆Gºf for CO(g)=-137.2…

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

A:

Q: Using the following reactions: 2 H 2 (g) + O 2 (g) --> 2 H 2O (g) ∆H = –484 kJ x 2…

A:

Q: Is the following reaction spontaneous at room temperature (25.0 °C) ? 2 H2S(g) + 3 O2(g) 2 SO2(g) +…

A: Interpretation: The given reaction is spontaneous at room temperature or not is to be determined. At…

Q: Calculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. N2…

A: To get the required reaction4NH3→2N2+6H2    ∆H=2×91.8=183.6KJ2N2+2O2→4NO…

Q: What is the entropy change when 2.50 moles of CCl₂F₂ vaporizes at 25.0 °C? [∆H(vap) = 17.2 kJ/mol at…

A: Given data is  Moles of CCl2F2 vaporized  = 2.50  ∆H(vap) = 17.2 kJ/mol at 25.0 °C

Q: Using the following reactions: NO (g) + 0.5 O 2 (g) --> NO 2 (g)             ∆H = 50 kJ x    N 2O 4…

A: Determine  the enthalpy change of the given reaction.

Q: Calculate ∆Gº for the reaction, C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), where ∆Gfº=-23.5 kJ/mol for C3H8(g),…

A: Gibbs free energy is the energy which is utilised to do uswful work. It is an extensive property…

Q: A certain hydrocarbon of the molecular formula CxH2x has a standard enthalpy of formation ∆Hf° =…

A: The correct method to calculate the value for x is attached below

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: Please use the following reactions and ∆H values to calculate the theoretical ∆Hsoln for NaCl.…

A:

Q: At what temperature would you expect a reaction to become spontaneous that has ΔH=234 kJ and ΔS=234…

A: Given that, for a given reaction, the enthalpy changes and entropy changes as follows --- Enthalpy…

Q: During a certain reversible process, the surroundings undergo an entropy change, ∆Ssurr = -78…

A: As per the thermodynamic concept, the entropy of universe is the sum of entropy of system and…

Q: Coal can be converted to methane, a chief component of natural gas, according to the following…

A: To solve this problem we have calculate  ∆Gº and Kp for the given  reaction at 25ºC .

Q: What is the entropy change when 0.17 moles of CHCl₃ vaporizes at 61.0 °C? [∆H(vap) = 29.6 kJ/mol at…

A: From datas given We are using below formula to calculate entropy change by plugging all values as…

Q: What is the lowest temperature at which the reaction of C(s) with H2O(g) to produce H2(g) and CO(g)?…

A: The lowest temperature would be 981..3153°C.

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: What is the entropy change when 1.20 moles of CCl₂F2 condenses at 25.0 °C? [AH(vap) = 17.2 kJ/mol at…

A: The temperature at which CCl2F2 condenses is given as .The relationship between temperature in…

Q: lculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. 1. N2…

A: In a chemical reaction, some bonds are formed and some are broken.This results into change in the…

Q: What is the change of entropy in the vaporization of 5 grams of ice cube at 0C to steam at 100 C.…

A: The degree of randomness of the system is called entropy. Specific heat capacity of water(c)=…

Q: At 600.0 K, ∆Gº=–31.7 kJ/mol for the following decomposition reaction 2NH3(g) → N2(g) + 3H2(g). What…

A: Since form the balanced reaction 2NH3(g) → N2(g) + 3H2(g)  we can say that 2 moles of NH3 is…

Q: Calculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. 1.N2…

A: Solution :  Hess's Law The chemical reaction can be written as the addition of two or more steps and…

Q: 11.Describe the conditions at which the following thermochemical equations are  spontaneous. If you…

A: Chemical Reaction are almost invariably accompanied by energy changes which ordinarily, appear in…

Q: Calculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. 1.…

A: 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g) 1. N2 (g) + O2 (g) → 2NO (g) , ∆H = -180.5 kJ 2. N2 (g) +…

Q: Which reaction(s) will be spontaneous at all temperatures? : 4NH3(g) + O2(g) → 2N2(g) + 6H2O(g) ΔrH…

A: For a chemical reaction to be spontaneous, Gibbs free energy, ∆rG should be negative. ∆rG is…

Q: Calculate the ∆H°rxn for the reaction C(graphite) + 2H2(g) → CH4(g) from the following enthalpy…

A: The enthalpy of overall reaction is the sum of enthalpy changes that occur during the reaction. The…

Q: What is the entropy change when 1.20 moles of CCl₂F₂ condenses at 25.0 °C? [∆H(vap) = 17.2 kJ/mol at…

A: Number of moles = 1.20 moles  Temperature = 25°C  ∆Hvap at 25°C  = 17.2 KJ/mol  ∆S of condensation…

Q: What is the entropy change when 1.20 moles of CCl₂F2 condenses at 25.0 °C? [AH(vap) = 17.2 kJ/mol at…

A: According to the question, The number of moles of CCl2F2 = 1.20 molesThe temperature is gievn by =…

Q: What is the entropy change when 1.90 moles of CHCl3 condenses at 61.0 °C? [AH(vap) = 29.6 kJ/ mol at…

A: As per the given question, change in entropy needs to be calculated for condensation of chloroform…

Q: Strontium carbonate is responsible for the red color in fireworks. It is generated in the reaction…

A: Given;

Q: The ΔHo for the following reaction at 298 K is -36.4 kJ.   1/2 H2(g) + 1/2 Br2(l) →  HBr(g)…

A: The formula is : ΔH = ΔU + Δn(g)RT ΔH = Change in enthalpy ΔU = Change in internal energy R = Gas…

Q: For the reaction 2 A(g) → A2(g), Q = -20.00 kJ for the formation of one mole of A2(g) at constant…

A: Given data: The reaction is- 2 A(g) → A2(g), Q = -20.00 kJ  Temperature = 25.00◦C

Q: Phosgene, COCl2, can be formed by the reaction of chloroform, CHCl3(l) with oxygen:  2CHCl3(l) +…

A: Given:  ∆Ho = -353.2 kJ ∆Go = -452.4 kJ T = 25oC

Q: Mg(s) + 2 H2O(l) ⟶ Mg(OH)2(s) + 2H2(g) | ∆Hrxn = —353.0 kJ/mol Calculate the number of grams of Mg…

A: Mg(s) + 2 H2O(l) ⟶ Mg(OH)2(s) + 2H2(g) | ∆Hrxn = —353.0 kJ/mol  99 mL of water temperature change =…