a. Calculate the theoretical heat of reaction between the Zn and copper sulphate using the following enthalpy of formations: Formula is: ΔH0rxn = ∑nΔH0f (products) - ∑n (reactants) Zn(s) – (0 kJ/mol) ZnSO4 (aq) -  (-152.4kJ/mol) Cu(s) – (0 kJ/mol) CuSO4 (aq) – (64.77 kJ/mol)   Answer: Theoretical heat of reaction = -217.17 kJ/mol

Q: 62. Consider the reaction 2POCI;(g) → 2PCI,(g) + O2(g) a. Calculate AG° for this reaction. The AG;…

A: The given reaction is,                            2 POCl3 (g)  ----->  2 PCl3 (g)  + O2 (g) For…

Q: The standard enthalpy of reaction for the dissolution of silica in aqueous HF is 4.6 kJ mol–1. What…

A:

Q: The last step in the Ostwald process for the commercial production of nitric acid is: 3NO2(g) +…

A:

Q: 6.54

A: The standard enthalpy of combustion can be defined as the change in enthalpy which takes place when…

Q: Research has been conducted on molybdates as replacements for chromates in the surface treatment of…

A: The given reaction is : 2Fe(s) + 3MoO2-4 (aq) + 6H+(aq) → Fe2O3(s) + 3MoO2(s) + 3H2O(l)

Q: Calculate the work (w) and ΔEo, in kJ, at 298 K and 1 atm pressure, for the combustion of one mole…

A: Given-> ∆H° = -3169.3 KJ/mole T= 298 K P =1 atm

Q: ∆H for the reaction

A:

Q: Using the enthalpy of formation for ZnCl2 (aq) of -415.1 kJ/ mol and the values in the appendix ,…

A: Given data : enthalpy of formation of ZnCl2(aq)  = -415.1 kJ/ mol. Using appendix we get enthalpy of…

Q: Calculate the change in the enthalpy when 52.0 g of solid chrominium at 25*C and 1 atm pressure is…

A: Molar mass of chromium is 52g/mol, which means 1mol of Cr = 52g of Cr.  According to stoichiometric…

Q: A reaction has AH°-23.7kJ and AS°=54.2J/K. a) Is the reaction exothermic or endothermic? b) Does the…

A: Given: For a reaction, ∆H∘ = 23.7 kJ and ∆S∘ = 54.2 J/K We have to find whether this reaction is…

Q: Use the standard enthalpies of formation from Appendix G to calculate AH for the following reaction.…

A: We have given that  Use the standard enthalpies of formation to calculate ∆H for the following…

Q: From the data at 25 °C: Compute the standard heat of formation of FeO (s) and Fe₂O3(s). Fe₂O3(s) +…

A: Enthalpy of formation is defined as the change in enthalpy when one mole of a compound is formed…

Q: Given the standard enthalpy changes for the following two reactions: ΔΗ° -- 544.0 kJ (1) 2Fe(s) +…

A:

Q: Calculate the standard enthalpy of the reaction for the process 3RO(g) → R20(g) + RO2(g) using the…

A:

Q: Calculate the enthalpy of reaction, kJ/mol, at 25.0℃ for 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(l),…

A: For the reaction :  2C2H2(g) + 5O2(g) → 4CO2(g) +2H2O(l) ∆H° has to be determined. Formula used:…

Q: With a ΔΔGo of -550.23 kJ, calculate the equilibrium constant for the reaction at 25.0 oC.

A:

Q: Determine the standard free energy change, ΔGf°, for the formation of S2− (aq) given that the ΔGf°…

A: Final answer : 92.094 KJ/ mol.

Q: (a) Write the balanced chemical equation that represents the standard heat of formation of Cu,0(s)…

A: (a) Cu2O is known as cuprous oxide

Q: Thermite reaction can be used to produce molten iron for welding railway tracks together. Fe2O3(s)…

A: the solution is as follows:

Q: Calculate heat of reaction considering the following chemical reaction: H2CS + O2 (g)…

A:

Q: Calculate ∆G  (in kJ) at 35.4oC for a reaction that has Keq = 105

A: Given: Temperature = 35.4 oC And Keq = 105

Q: ) Calculate the standard enthalpy of reaction 4 using the given data: A(g)+X2(g)⟶AX2(g)…

A: The Heat of Reaction (also known and Enthalpy of Reaction) is the change in the enthalpy of a…

Q: Finally, using the thermodynamic values given and knowing how to add all the equations together to…

A:

Q: Given the enthalpy changes for the following reactions, calculate H0f for CO(g). C (graphite) +…

A:

Q: Given the standard heats of formation for the following compounds, calculate the ΔH° heat of…

A: The enthalpy change of a chemical reaction can be calculated by the standard heat of formation of…

Q: The thermite reaction was once used to weld rails: 2Al(s) + Fe2O3(s) --> Al2O3(s) 1 2Fe(s) (a) Using…

A:

Q: Constants Periodic Table The standard enthalpy of fomation (AH) is the enthalpy change that occurs…

A: The standard enthalpy of formation (∆Hf°) of any compound is determined by the sum of enthalpies of…

Q: Determine the standard free energy change, ΔG∘f, for the formation of S2−(aq) given that the ΔG∘f…

A: The required reaction is given below. Ag2S (s) → 2 Ag+ (aq) + S2- (aq)

Q: Consider the reaction of calcium carbide with liquid water: 1/2 CaC2(s) + H2O(l) 1/2…

A:

Q: The following reaction consumes 393 kJ of heat for each mole of that reacts. CO2 (g) +C(s) + O2 (g)

A: A reaction is defined as exothermic reaction when there is a net release of energy from the reaction…

Q: 10/11 The first step in the production of high purity silicon for The first step in the production…

A: Answer given below

Q: Given the following reactions Fe203 (s) + 3CO (s) → 2Fe (s) + 3CO2 (g) AH=-28.0 kJ 3Fe (s) + 4CO2(s)…

A: If the reaction is multiplied by any coefficient then the enthalpy of that reaction will also be…

Q: Consider the vaporization of 1 mol of a liquid,  A(l) ⟶⟶A(g)  at 298 K and 1.00 atm.  If 39.5 KJ…

A:

Q: for the following reaction: (Giver vềi 176 KJ and AS = -284.5 J/K). a Celsius NH3(g) + HCI(g) --->…

A: Given values are ΔH = -176 kJ, ΔS = -284.5 J/K. Temperaure = 30° C =  30 + 273 K = 303 K The formula…

Q: NaNO3 (s) + H2SO4 (l) ---> NaHSO4 (s) +HNO3 (g) find standard enthalpy of reaction using standard…

A: For a general reaction                                               aA + bB → cc   + dD…

Q: Given the following reaction equation: Zns (s) + 3/2 0 lg)+ Zno (s) +SO, (s) You are to determine…

A: The reaction for the combustion of Zinc sulfide (ZnS) is:ZnS (s) + 3/2 O2 (g) → ZnO (s) + SO2…

Q: 99. The standard enthalpy of reaction for the dissolution of silica in aqueous hydrofluoric acid is…

A: Given chemical equation is :  SiO2 + HF → SiF4 + H2O

Q: The first step in the industrial recovery of zinc from zinc sulfide ore is roasting, that is , the…

A: 1- First we need to determine the moles of ZnS  moles of ZnS = [ mass / molar mass of ZnS ]  moles…

Q: Determine the heat involved in the combustion of liquid hydrazine  by using the following reactions.…

A: To determine the heat required for combustion of hydrazine , we would first write a chemical…

Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

A:

Q: Given the thermalchemical equation 2SO2(g) +02(g) yields 2S03(g) (delta H)= -185.2kj/mol. calculate…

A: The question is based on the concept of chemical thermodynamics. We have to calculate amount of heat…

Q: Hydrogen peroxide can be prepared in several ways. One method is the reaction between hydrogen and…

A: ∆G°rxn can be calculated using standard Gibbs free energy change of formation (∆G°f) of species…

Q: Determine the standard free energy change, ΔG°f  , for the formation of S2−(aq) given that the ΔG°f…

A: The required reaction is given below. Ag2S (s) → 2 Ag+ (aq) + S2- (aq)

Q: Calculate the heat of reaction per mole of water if addition of 25.0 mL of 0.101 M A H2SO4 to 50.0…

A: given molarity of H2SO4 = 0.101 M molarity of NaOH = 0.103 M volume of H2SO4  = 25ml volume of NaOH…

Q: Silicon carbide, SiC, has the three-dimensional structure shown in the figure. (a) Name another…

A: a). to determine another compound that has same structure: The compound that has similar crystal…

Q: What is the ?rH° for the following reaction (in kJ/mol)? 2 NO2(g) → N2O4 (g) To solve, use…

A:

Q: Calculate the standard enthalpy change for the reaction at 25 ∘C. Standard enthalpy of formation…

A: The given reaction is