Using the following S° values, calculate ASn for the formation of HCl from its elements. H2(g) + Cl2 (g)- rxn 2 HCl(g) S° (J/mol-K) Species H2(g) Ch(g) 130.7 223.1 HCI(g) 186.9 а. 20.0 JK b. -20.0 J/K c. 166.9 J/K d. -166.9 J/K e. 727.6 J/K

Q: Consider the reaction shown below and the tabulated thermochemical data at 298 K. Which of the…

A:

Q: Calculate the enthalpy change for the reaction 2K+S → K₂S using the following thermochemical…

A:

Q: For a particular reaction at 212.7 °C, ΔG=−843.71 kJ, and ΔS=603.37 J/K. Calculate ΔG for this…

A: Given : At temperature 212.7 °C, ΔG = -843.71 KJ = -843710 J…

Q: Complete the thermodynamics table for the processes shown. Reaction or Process Spontaneous? Sign…

A: A spontaneous reaction is one which favours the formation of products and results in an overall…

Q: 1. For the reaction at 25̊ C, find ∆G° and determine what type of reaction/process takes place. a.…

A: Gibbs energy or free enthalpy, is a quantity that is used to measure the maximum amount of work done…

Q: Given the reaction: NO2(g) NO(g) + O2(g) (H = +62 Kj), if the temperature is increased, the…

A: Given ;- NO2(g) <-----> NO(g) + O2(g)  H = +62 kJ  statement : if the temperature is…

Q: Using the information in the table below, for which of these substances will vaporization be…

A: Given : Table showing ∆H°f  , ∆G°f , ∆S°f To find : substance that has spontaneous vaporization…

Q: Consider the following reactions and the given thermodynamic data. Select the CORRECT statement…

A:

Q: H20(s) --> H20(1) When ice melts at its normal melting point, 273.16 K and 1 atmosphere, which of…

A:

Q: 1. Benzene (C6H6) boils at 80.1°C and its molar enthalpy of vaporization is AHvap=31.0 kJ/mol. a.…

A:

Q: What is ΔG° at 25 ºC for a process that has ΔH° = −35.4 kJ/mol and ΔS° = −153 J/mol·K? 45.6 kJ/mol…

A: Given: ΔH° = −35.4 kJ/mol  ΔS° = −153 J/mol·K Temperature T =  25 ºC = 273 + 25 = 298 K

Q: For rubidium AH°, vap = 69.0 kJ/mol at 686°C, its boiling point. Calculate q for the vaporization of…

A: Given, molar heat of vaporization = 69.0 kJ/mol

Q: Calculate ∆Sº for the reaction below: N2(g)+2O2(g)⇄2NO2(g)  where ∆Sº for N2(g), O2(g), & NO2(g),…

A: The given chemical equation is: N2(g)+2O2(g)⇌2NO2(g) The given standard entropy change (∆Sº) values…

Q: Estimate the normal boiling point of titanium tetrachloride, TiCl4, at 1 atm pressure, using the…

A: Since the normal boiling point of any molecule is given by  Tb = ΔHeva / ΔSeva  where ΔHeva = change…

Q: A reaction has the following thermochemical values at 272.15 K: ΔH = -189.3 kJ mol-1 ΔS = -166.0 J…

A: Given-> Temperature (T) = 272.15 K ∆H = -189.3 kJ.mole-1 = -189300 J.mole-1(1KJ=1000J) ∆S =…

Q: 4.36)  Predict the signs of ΔH, ΔS, and ΔG of the system for the following processes at 1 atm:  (a)…

A: (a)Given,Normal melting point of ammonia is -77.7 degree Celsius.In this reaction, ammonia melts at…

Q: A 50.00 gram block of nickel metal is heated to a temperature of 180.0°C. The block is then dropped…

A: The formula that will be used here is as follows : Heat = mass of substance × specific heat of…

Q: (7) Calculate A G° for the reaction given the following information: 2502(g) + 02(g)→ 2s0;(g) AG for…

A:

Q: What is the value of the enthalpy of formation of lithium chloride solid?

A: The enthalpy of formation is the standard reaction enthalpy for the formation of the compound from…

Q: Which of the following processes are exothermic?N2 (g) → 2N (g)H2O (l) → H2O (s)Cl2 (g) → 2Cl (g)2H2…

A:

Q: Using the information in the table below, for which of these substances will vaporization be…

A: Given thermodynamic data: We have to find out for which substance ( HNO3, SnCl4, TiCl4 ), the…

Q: 1. Consider the freezing of liquid water at - 10°C and 1 atm. For this process, what are the signs…

A: Freezing of water at -10℃ and 1 atm, H2O (l) ⇌ H2O (s)

Q: Using the thermodynamic information: 1/2 N2(g) + 1/2 02(g)--> N0(g) delta H degrees = 90.4 kJ/mol…

A:

Q: 74. For each of the following processes, predict the alge- braic sign of A,H°, A,S°, and A,G°. No…

A:

Q: Acetone (nail polish remover) has a boiling point of 56.2 °C. The change, (CH3)2CO(1I) →…

A:

Q: 5. Two white crystalline forms of phosporus. Both forms contain P4 moleculesbut the molecules are…

A: For the transformation of α-form to β-form is spontaneous process in which enthalpy change (ΔH) for…

Q: Consider the reaction.   2Fe2O3⟶4Fe+3O2      Δ?∘rxn=+824.2 kJ The formation of 77.0 g77.0 g of Fe…

A: Molar mass of Fe = 55.845 g/mol  4 moles of Fe = 223.38 gm  Means, 223.38 g Fe forms with absorption…

Q: A metal pellet with mass 25.0 g and temperature 90.0 °C is dropped into 100.0 g water originally at…

A: Given:  Mass of metal = 25.0 gm  Initial  temperature = 90.0 °C  Mass of water = 100 gm  Initial…

Q: Find the free energy change for the reaction below,         2 AgNO3 (s)  +  SO2 (g)      →…

A:

Q: Determine the AH° for the overall reaction based on the three-step thermochemical processes below:…

A: ∆H values -  Reaction 1 = 167.5 KJ  Reaction 2 = 341.4 KJ  Reaction 3 = 43.4 KJ  Final reaction = ?

Q: Benzene, Cg H6, has a normal boiling point of 80.1°C and an enthalpy of vaporization, AH, of 30.14…

A: The entropy change accompanying the change in phase from liquid phase to vapor phase is called the…

Q: What is the boiling point water at the top of Mt Everest (atmospheric pressure = 0.54 atm)?…

A: Given data: Pressure, P◦ = 1 atm Pressure of water vapor, P = 0.54 atm Gas constant, R = 8.314…

Q: Which of the following processes has a negative AS? A) CaCO3(s) – CaO(s) + CO,(g) B) H,0(g) – H,0(s)…

A: Entropy: Entropy can be defined as the measurement of randomness or disorderness in the…

Q: 1. When work is done on the system (+∆G) to bring it into an ordered state (-∆S) which of the…

A: Interpretation: The given question are to be solved.

Q: Determine the entropy change, in J/mol K, for the condensing of 75.0 g of gaseous O2 into liquid O2…

A: Here phase of O2 changes from gas to liquid.  Hence we have to use formula for entropy (∆S)during…

Q: Predict the sign of the free energy change of the system for each of the following phase changes…

A: Gibbs free energy tells about the spontaneity of a given reaction. The change in Gibbs free energy…

Q: 3. Use the AH° and AS° values below to determine the range of temperatures (in kelvin, K) for which…

A:

Q: If a cube of ice at 0°C is placed outside on a warm summer day, the ice will melt spontaneously.…

A: Spontaneous reaction is the one which undergoes by itself without the aid of external help. For a…

Q: Determine the  ΔH of formation for sulfur trioxide gas if: 2 SO2 (g) +  O2 (g) --> 2 SO3 (g)    ΔH…

A: Enthalpy of formation ( ∆Hf ) :-           It is the enthalpy change of a system when one mole of…

Q: is gas C. solid 3. Which of the following is a A. ripening of fruits B. liquid nonspontaneous…

A: Hello dear,   3) Option B is correct. 4) Option B is correct. 5) Option B is correct.

Q: For the reaction: N2(g) + 2O2(g) + 16.2 kJ ➜ 2 NO2(g) As nitrogen reacts with oxygen, the heat of…

A: Nitrogen dioxide = N2O Heat of formation of N2 = 0 kJ Heat of formation of O2 = 0 kJ If heat is…

Q: 4.36)  Predict the sign of ΔH, ΔS, and ΔG of the system for the following processes at 1 atm: (a)…

A: (a)Heat energy is added to ammonia to get melt at -60.0 oC so ΔH >0.Disorder is increases in…

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: Priestley prepared oxygen by heating mercury(II) oxide. From the data given below estimate the…

A: Goven-> ∆H°=90.83 KJ =90830 J  S°(Hg) = 76.02 J/mole.K S°(HgO) = 70.29J/mole .K S°(O2) = 205.0…

Q: 5.2) Calculate AE for the combustion of hydrogen chloride at 25°C. (The ideal gas constant R-8.314…

A: Given, the reaction for the combustion of HCl at 25 ∘C: 4HCl(g) + O2(g) → 2Cl2(g) + 2H2O(g) We have…

Q: Consider the reaction 2N;Os(g) =4NO2(g) + O2(g) at 25°C for which the following data are relevant:…

A:

Q: Using the information in the table below, for which of these substances will vaporization be…

A: For vaporization of each substance calculate ∆G° . If its value comes out to be negative, then it is…

Q: The element gallium (Ga) freezes at 29.8°C its ΔHfus = 5.59 kJ/ mol. Calculate the value of ΔS when…

A: Here we have to determine entropy change to freeze 30 g of gallium (l) to gallium (s) at it's…

Q: Given the following reactions: 2S(s) + 3O2(g) → 2SO3(g)                 ΔH = -790 kJ S(s) + O2(g)…

A: Hess's law is defined as amount of energy released or absorbed is same wheather the reaction take…