2A1 + Fe,O, → 2Fe + Al,O, AH =-845kJ 3 a) 50.0g Al x 1 mol Al 26.98g Al -845 k.J X 1 mol Al = -1570kJ b) 50.0g Al x I mol Al -845 kJ 2 mol Al = -783kJ 26.98g Al -845 kJ 2 mol Al c) 50.0g Al x = -21,100kJ d) 50.0g Al x 1 mol Al 26.98g Al 2 mol Al X -845 kJ = -0.00439kJ

Q: Determine the enthalpy change in the following equation: 2/3 H2S(g) + O2lg)2/3 SO2(g) + 2/3 H20(1)…

A:

Q: 7. Use Hess's Law to calculate AH°, rxn B,H(g) + 302(9) → B,03(2) + 3H,0(m Given: 2B(G) + 3H2(g) →…

A: The Hess' law states that the change of enthalpy is independent of the pathway . It  allows the…

Q: Determine AH pclst3pcl, + Clz AH = +157 KJ %3D Py+ 6cl, 3 upCla AH =-1207 3.

A: Answer:- This question is answered by using the simple concept of Hess law of constant heat…

Q: 1. Determine the change in enthalpy for the following reaction: N2Ha(1) + 2H2O2(1) → N2(g) + 4H2O(I)…

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Q: Using the equations 2 CH, (1) + 15 0, (g) → 12 CO, (g) + 6 H,O (g)AH° = -6271 kJ/mol C (s) + O, (g)…

A: Above question will be solved by suing the Hess Law.

Q: Use the data below to determine the ΔHrxn for the following reaction: H2C=CH2(g) + 3O2(g) è 2CO2(g)…

A: ∆Hrxn can be calculated using given bond energies.

Q: Predict the effect of decreasing the temperature on the amounts of reactants in the following…

A: Exothermic reactions are ones in which the system emits heat into the environment. The enthalpy of…

Q: Using the provided table, determine the molar enthalpy (in kJ/mol) for the reaction 2 NH, (g) + 3…

A: Given 2NH3 (g) + 3N2O (g)→ 4N2 (g) + 3 H2O (l) Substance ΔH°f (kJ/mol) NH3 (g) -46.2 N2O 81.6…

Q: Use the following equations:​​​​​​​ a. Fe2O3 (s) + 3CO (g) à 2Fe (s) + 3 CO2 (g)  ​​dHo = -27 kJ b.…

A: To get resulting equation  We have  to reverse 1equation and multiply by 3 to equation 2 and add…

Q: 3 b.) Itu wa d.) (1) PB(3 2.) NaN Nazli₂01 H₂504, 1₂0 (1) N="OCH₂CH₂) 2.) H₂0 Os Bre7 50°C Brz 0°C…

A:

Q: Using the equations 2 C6H6 (1) + 15 O2 (g) → 12 CO2 (g) + 6 H2O (g)AH° = -6271 kJ/mol 2 H2 (g) + O2…

A: Numbering all the equation-

Q: Calculate the C---C bond energy form the following data : I. 2C (graphite) + 3H2 (g) ---> C 2 H…

A: Bond energy or enthalpy can be calculated by using the datas of other relavant reactions. For this…

Q: For a particular isomer of C,H,8, the combustion reaction produces 5099.5 kJ of heat per mole of C,…

A: ∆Hrxn = n. ∆Hproducts - n'.∆Hreactants  Where, n and n' are the stoichiometric constant Now,  See…

Q: 3. Based on the reactions: 1. 2H,S + 302 (2)→2502 () + 2H,O@ AH1 =- 1035.94 kJ 2. 2SO3 (g) →2S02 (2)…

A: By Hess's law : Required equation = equn (1) - equn (2) - equn (3)  ∆H = ∆H1  - ∆H2 - ∆H3         =…

Q: 1) H3O* 2) ELOH Br 1) CI , AICI3 2) Zn(Hg), HCI, heat conc. HNO3 conc. H2SO4 OCH3

A:

Q: Use the H°f and H°rxn information provided below to calculate H°f for IF H°f for IF7(g) = -941…

A: In the given question we have to calculate the enthalpy of formation of IF , We know that, ∆H°rxn =…

Q: (d) Calculate the average bond enthalpy for the N-H bond using the following data: NH₂(g) → NH₂(g) +…

A:

Q: Using the equations H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F2 (g)→ CF4 (g) AH° =…

A: The quantity of energy released/absorbed in a chemical reaction is furnished by the enthalpy change…

Q: Using the equations 2 CHe (1) + 15 O2 (g) → 12 CO2 (g) + 6 H20 (g)AH° = -6271 kJ/mol 2 H2 (g) + O2…

A: The given reactions are,

Q: Given the following standard molar enthalpy of formation (DHof):  (D = delta)…

A: Given,  2CH3OH(l) + 3O2(g) --> 2CO2(g) + 4H2O(l)

Q: determine DHO, DS°rxn, and DG°, at 25 °C for rxn rxn 2 NH3 (g) --> N2H4 (g) + H2 (g) DH° rxn: -kJ…

A: The reaction is occurring under standard conditions. The equation relating ΔG0, ΔS0 and ΔH0 is, ΔG0…

Q: Question 33

A: The change in temperature taking place is,

Q: 2AF(g)+ 0,(g)→ A,0(g) + F0(g) 2AF,(g)+20,(g)→ Cl,0(g) +3F,0(g) 2F,(g) + 0,(9)-2F,0(g) AH = 167.4kJ…

A: Interpretation -  To determine the enthalpy change  (∆H ) for the final reaction and also draw…

Q: Given that   H2(g) + F2(g) ---> 2HF(g)                Δ?∘rxn=−546.6 kJ⋅mol−1 2H2(g)+O2(g) ⟶…

A:

Q: ges for the following two reactions: 1) 4C(s) + 5H2(g)→C4H10(g) AH° = -125.6 kJ 2) C2H2(g)–→2C(s) +…

A:

Q: Give a clear handwritten answer...

A: The energy difference between the products and reactants is known as the energy change of a…

Q: Sucrose (table sugar) has the formula C12H22O11 (molar mass = 342.30 g/mol) and a food value of 6.49…

A: The energy that is proceeded between two substances is stated as "Heat". In any reaction like…

Q: Diborane (B₂H) has been considered as a possible rocket fuel. Calculate DH° for the reaction B₂H6(8)…

A: We have to find the value of ∆H∘ for the reaction B2H6(g) = 2B(s) + 3H2(g).

Q: se constant-volume calorimetry to determine energy change. D.452-g sample of pyrene (C16H10) is…

A:

Q: Use Hess' Law to caiculate the enthaipy chan known thermochemical data: I1,0(8) - CH4(g) + H20(g)→…

A:

Q: Using the equations N2 (g) + O2 (g) → 2 NO (g) AH° = 180.6 kJ/mol N2 (g) + 3 H2 (g) → 2 NH3 (g) AH°…

A:

Q: Carbon disulfide burns in air, producing carbon dioxide and sulfur dioxide. CS2 (l) + 3 O2 (g) → CO2…

A:

Q: 6.62 From the following data, TARIS → CO2(g) AHan = -393.5 kJ/mol C(graphite) + O2(g) H,(g) + 0,(g)…

A: Hess's law states that the enthalpy change for a reaction is the sum of the enthalpy changes of the…

Q: Calculate Hrxn using Hess’s Law. Determine if exothermic or endothermic. P4(s) + 6Cl2(g) ---> 4PCl3…

A: Given, P4(s) + 6Cl2(g) ---> 4PCl3 (g) DeltaH = -1225.6 kJP4 (s) + 5O2(g) ---> P4O10 (s) DeltaH…

Q: PHNH2, CH3COOH Meo OMe heat EtO2C. CH2 CO2Et + i) CH;COOH H3C H2N CH3 ii) [0]

A:

Q: Which of the equations below would be classified as highly exothermic? O a 2NaHCO3() + 85 kJ →…

A: The reaction  in which  heat is released are called Exothermic reaction  .

Q: Use the following to calculate AH°lattice of MgF2. Mg(s) → Mg(g) AH° = 148 kJ F2(g) → 2 F(g) AH° =…

A:

Q: 1) Calculate AH for 4Fe0(s) + O2(g) → 2F22O3(s) based on the following thermochemical equations;…

A: Given reaction is: 4FeO (s) + O2 (g) → 2Fe2O3 (s) Other reactions are given with reaction enthalpy…

Q: 2. Use the AH information provided to calculate AHpn° for the following. SHOW YOUR WORK!! SO,Cl.(g)…

A: Answer = c. -62 kJ

Q: Given the following data, DH°f SiCl4(l)= -640.1 kJ/mol, DH°f H2O(l) = -285.8 kJ/mol, DH°f SiO2(s) =…

A: Interpretation: From the given data, ∆H° for the following reaction is to be calculated. Reaction:…

Q: Calculate the AH°rxn for the combustion of methane using the given AH°r. CH4 (g) + 202 (g) 2H2O (1)…

A:

Q: Brz (CHs)a COH, heat 2. 1. light 2.1) Os ; i) Me ,s' Cs Hio O Na OCHs CH30H, heat 3.

A: Organic chemistry involves a vast collection of oxidizing and reducing agents. The type of base…

Q: Using the equations 2 C6H6 (1) + 15 02 (g) → 12 CO2 (g) + 6 H2O (g)AH° = -6271 kJ/mol 2 H2 (g) + O2…

A: As you have posted multiple questions and have not specified which part you want us to solve. Hence…

Q: Given that H2(g)+F2(g)⟶2HF(g)ΔH∘rxn=−546.6 kJH2(g)+F2(g)⟶2HF(g)ΔHrxn°=−546.6 kJ…

A: Since by multiplying reaction 1 with 2 and subtracting reaction 2 from 2 X reaction 1, we will get…

Q: From the following enthalpies of reaction find ΔHrxn for 2 HCl(g) + F2(g) ---> 2 HF(l) + Cl2(g): 4…

A: The main reaction is – 2HCl g + F2g →2HFl + Cl2g

Q: Use Hess’s Law to calculate ΔH(tot): [tot] 2NO2(g) + 1⁄2O2(g) → N2O5(s)       ΔH(tot) = 109.5 [1]…

A:

Q: Given the following information, AHº (A2B(g)) = -225 KJ/mol AHº (BC(g)) = -160 KJ/mol AHº (AC(g)) =…

A:

Q: Calculate the standard enthalpy of formation of CaCN2. CaCO3 + 2 NH3 CaCN2 + 3 H20 AH° = + 90.1 KJ…

A: Calculate standard enthalpy of CaCN2 in the given above reaction ---

Q: Sr (s) + C(graphite) + 0,(g) → SrCO;(s) The information available is (1) Sr (s) + O2(g) → SrO (s)…

A: Hess's law states that the enthalpy change for the reaction is determined by adding the enthalpy…

Q: 4. Calculate the enthalpy of the reaction below, given the following: CHOH 1) + 202 () → 2CO2 ®+…

A: Enthalpy of reaction is sum pf enthalpies of formation of product - sum of enthalpies of formation…