Calculate the entropy change of the metal, when one mole of lead, initially at 298 K, is heated to its melting temperature, 600.6 K, and is completely melted. delta H_fus =4760 J/mol. C_p follows the functional form 22.13 J/(mol K) + 0.0117 J/(mol K^2)xT, over the temperature range.

Q: The normal boiling point of Br2(l) is 58.8 ∘C, and it'smolar enthalpy of vapor Calculate the value…

A: The molar enthalpy of vaporization is 29.6 kJ/mol Temperature = 58.8 + 273 = 331.8 K

Q: What is the type of entropy change for 2 H2 (g) + O2 (g) —> 2 H2O (l)? Provide Description.

A: 2 H2 (g) + O2 (g) —> 2 H2O (l) entropy change:

Q: The heat of vaporization AH, of methanol (CH;OH) is 35.3 kJ/mol. Calculate th

A: If   vapourisation of methanol       CH3OH(l)     ⇔  CH3OH(g)    △Hv = 35.3 KJ/mol     then…

Q: Calculate the change in entropy that occurs in the system when 47.5 g of acetone (C3H6O) vaporizes…

A:

Q: Consider the reaction N2(g) + 2H,O(1)–→2NO(g) + 2H2(g) for which AH° = 752.2 kJ and AS° = 351.6 J/K…

A: The detailed question had been solved on white sheets of paper attached below.  Here it is important…

Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

A:

Q: For the reaction NH,NO3(aq) N20(g) + 2 H20(1) AG° = -182.1 kJ and AH° =-149.6 kJ at 325 K and 1 atm.…

A:

Q: 6.58 The common lead-acid car battery produces a large burst of current, even at low temperatures,…

A:

Q: The

A: We will calculate ∆S

Q: a) For the combustion of liquid ethanol, what is the ΔH of that reaction at 298 K, 1 atm? b)…

A: The combustion reaction of liquid ethanol is represented as: C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(l)…

Q: A 3.0 g block of ice melts at 0.0°C [ΔHfus(H2O) = 6.01 kJ/mol]. Calculate the entropy change for…

A: Heat require during melting of a liquid: Q1 = n . ΔHfus Heat require during warming up of a liquid:…

Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

A: The given reaction is, 6CO2(g) + 6H2O(l) → C6H12O6 + 6O2(g) Given that: H° = 2.801×103 kJ  S° =…

Q: 4. (a) Predict the sign of heat (q) and work (w) for the following exothermic reaction conducted at…

A: Given: 2Na (s) + Cl2(g) → 2 NaCl(s) Constant pressure = 1.0 atm Constant temperature = 298 K The…

Q: For each of the following, predict whether the entropy of the system change will be positive or…

A:

Q: The vaporisation of a certain element at 24.0 oC has the following enthalpy and entropy values:…

A: Given,  Hvap = 3.40 kJ mol-1     Svap = 246 J K-1 mol-1. Temperature = 24.0 °c = 297 K Now, □Stotal…

Q: Calculate the change in the entropy of the surroundings (in J/K) upon the combustion of 14.0 g of…

A:

Q: C,H12O6(s) + 6 02(g) 6 CO2(g) + 6 H,0(g) AS, +900. J/(moln · K) %3D Substance Approximate S (J/(mol…

A: Standard entropy change of the reaction is equal to the difference in the standard entropy of the…

Q: Ammonia production is one example of an industrial product. It is largely used for fertilizers.…

A:

Q: From the following equations and heats of reaction, calculate the standard  molar heat of formation…

A: From the following equations and heats of reaction,calculate the standard molar heat of formation of…

Q: Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 59.4…

A: Change in entropy of universe is the sum change in entropy of system and surrounding.

Q: onsider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

A: Solution- 2NaOH (aq)+ H2O(g)  →2Na(s)+H2O(l)∆Ho= 368.6 kJ ∆S° = 15.30 J/K at 298.15 K.(1). NaOH…

Q: The decomposition of copper (1) oxide to its elements does not occur spontaneously at 375°C (AG =…

A: Cu2O(s)→2Cus+12O2g; ∆G=140.0 kJC(s)+12O2g→CO(g); ∆G=-143.8 kJ

Q: For the vaporization of oxygen, O2 (1) → O2 (9) AĦ° = 18.5_kJ mol J AS° : 205.2- mol·K and This…

A: Introduction: Gibbs free energy: A state function Gibbs free energy determines whether or not a…

Q: Consider the reaction. 4NH3(g) +502(g) → 4NO(g) + 6H₂O(g) for which AH-905.2 kJ and AS°= 180.5 J/K…

A:

Q: The vaporisation of a certain element at 23.0 oC has the following enthalpy and entropy values:…

A:

Q: Pure lead melts at 460/deg C. Given that the heat of fusion is 1750 cal/mol, calculate the entropy…

A: The objective of the question is to determine the total entropy change.It is given that,The mass  of…

Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

A:

Q: Calculate the change in entropy that occurs in the system when 1.33 mol of acetone (C3 H6O)…

A: Given: The number of moles of acetone is 1.33 mol The normal boiling point is 56.1oC The heat of…

Q: It is determined that a particular chemical reaction has AH°rxn = 105 kJ and As°rxn = 252 JK1.…

A: For spontaneous reaction delta G must be negative....

Q: Consider the reaction 2NO(g) + 2H₂(g) N₂(g) + 2H₂O(1) for which AH° = -752.2 kJ and AS° = -351.6 J/K…

A: Here we have to predict whether the reaction is product favored  or reactants favored  in the…

Q: Photosynthesis in plants converts carbon dioxide and water into glucose and oxygen according to the…

A:

Q: Consider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

A:

Q: Use the standard molar entropies to calculate ΔS°rxn for the following reactions:   Ag+ (aq)+Cl-…

A: Answer :-  a) ∆S° = -207 (J/K)  Ag+(aq) +Cl-(aq) → AgCl(s) , ∆S° = -207 (J/K)…

Q: A cup of hot water is left to cool in a room at 20 °C. If the cup contains 400 g of water initially…

A: Given: mass of water = 400 g Specific heat of water c = 4.182 J K-1 g-1 Temperature change ΔT = (20…

Q: When 2.76 g of cesium perchlorate (CsClo,) is dissolved in 103 g of water in a styrofoam calorimeter…

A:

Q: Using enthalpies of formation, calculate AH for the following reaction at 25°C. Also calculate AS"…

A:

Q: For the reaction A + B ® C + D, DH° = +40 kJ and DS° = +50 J/K. Therefore, the reaction under…

A: At standard situation, Temperature=273K

Q: Suppose that two systems, each composed of two particles repre- sented by circles, have 20 J of…

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

Q: The dissociation of N2O4 into NO2 is 16.7% complete at 298 K and 1.013 bar. N2O4(g) ⇋ 2 NO2(g)…

A:

Q: The standard enthalpy of formation of NO2(g) at 298 K is 34.0 kJ/mol. Calculate the change in…

A: Standard enthalpy of formation of NO2(g) = 34.0 kJ/mol Temperature = 298 K

Q: Using the following formula, calculate the entropy of a system that has 42 microstates. S = k In W;…

A: Given: No.of microstates = W = 42 k = 1.38 * 10-23 J/K Calculate : Entropy of system = S = ?

Q: Calculate ΔS (for the system) when the state of 4.00 mol diatomic ideal gas molecules, for which…

A: ΔS (for the system) = To be determined No of moles of gas = n= 4 moleCp,m = 72RInitial Temperature…

Q: Calculate the change in entropy that occurs in the system when 40.7 g of acetone (C3 H6O) vaporizes…

A: entropy change calculation during the process of vaporization:

Q: Calculate the standard entropy change for the reaction at 25 °C.  2CH3OH(g)+3O2(g)⟶2CO2(g)+4H2O(g)…

A: The given balanced equation -