Calculate ΔH°rxn

Q: Given the following data, calculate ΔrH∘ for the reaction: N2O(g)+NO2(g)⟶3NO(g)…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: What is the enthalpy change of the reactions; Fe(s) + ½ O2 (g) FeO (s) ∆Ho 25oC = -272.0 kJ Fe(s) +…

A: Reactions are Fe (s) + 1/2 O2  -----> FeO .... (1) 2Fe (s) + 3/2 O2  -----> Fe2O3 ..... (2)…

Q: What is ΔH°rxn for the following reaction? C6H6(l) + 15/2 O2(g) → 6CO2(g) + 3H2O(l) 6C(graphite)…

A: ΔH°rxn for the reaction is to be calculated

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: Given: 4AlCl3(s) + 3O2(g) → 2Al2O3(s) + 6Cl2(g); ΔH = –529.0 kJ determine ΔH for the following…

A: The delta H for the above thermochemical reaction is given as follows

Q: Calculate ΔHrxnfor the following reaction: CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g) given these reactions…

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Q: We can calculate ΔH for the reaction C(s)+ H2O(g)= CO(g)+H2(g) using the following thermohemical…

A: According to the Hess's law, on multiplying the reaction with a constant, the value of its ΔH also…

Q: Use the following reactions to calculate the unknown ΔH. Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2 (g)…

A: Answer - The correct option is -(a)   = -792.3

Q: Calculate ΔSº for the reaction using the data table provided. 2 KClO3(s) → 2 KCl(s) + 3 O2(g)…

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

A: Given, 4 HCl(g) + O2(g) ---> 2 H2O(l) + 2 Cl2(g); ΔH = -148.4 kJ/mol1/2 H2(g) + 1/2 F2(g) --->…

Q: Given the reactions, X(s)+12O2(g)⟶XO(s)   Δ?=−840.9 kJX(s)+12O2(g)⟶XO(s)   ΔH=−840.9 kJ…

A:

Q: Which of the following is ΔH for the process Hg2Cl2 (s) → 2Hg(l) + Cl2(g)? Given: (1) Hg(l) + Cl2(g)…

A: Adding given reaction 1 and 2 will give the net reaction 3 as  3) 2 Hg(l) + Cl2(g) → Hg2Cl2(s)…

Q: Use the following data to determine whether the conversion of diamond into graphite is exothermic or…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Given the following reactions and corresponding ΔH values, find the ΔH (to the nearest whole #) for…

A: The reactions given are 1) H2S (g) + 2 O2 (g) → H2SO4 (l)                                   ΔH =…

Q: Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics…

A: heat of combustion is the heat released during combustion process

Q: hthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics…

A:

Q: What is the ΔHrxn for the following reaction (not balanced):   ___P4O10(s) + ___PCl5(g)…

A: Given the following balanced thermochemical equations: P4(s) + 6 Cl2(g) -> 4 PCl3(g)…

Q: the

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Q: Given the thermochemical equation 4AlCl3(s) + 3O2(g) → 2Al2O3(s)  +  6Cl2(g); ΔrH= –529 kJ find ΔrH…

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Q: what is Δ?ΔH for this reaction?

A:

Q: Given the reactions below, calculate ΔHrxn (in kJ/mol) for the reaction of solid carbon with gaseous…

A: Answer

Q: What is ΔH°rxn for the following reaction? C6H6(l) + 15/2 O2(g) → 6CO2(g) + 3H2O(l)…

A: Multiplying reaction 2 with 6 and reaction 3 with 3 will give the enthapies of new reaction as…

Q: Calculate ∆H for the reaction H2SO4(l) → SO3(g) + H2O(g) given the following chemical equations and…

A: Given, H2S(g) + 2 O2(g) → H2SO4 (l)                      ΔH = –235.5 kJ       Equation (1) H2S(g) +…

Q: The standard enthalpy of combustion of solid carbon to form carbon dioxide gas is -393.7 kJ per mol…

A:

Q: Given the reactions,   X(s)+12O2(g)⟶XO(s)   Δ?=−959.7 kJX(s)+12O2(g)⟶XO(s)   ΔH=−959.7 kJ…

A: The change in enthalpy indicates the amount of heat released or absorbed in a chemical reaction…

Q: What is the ΔH for the reaction below?    C2H2(g)  + 3 H2O(l) →  CH4(g) +  O2(g) +  CH3OH(l)…

A:

Q: Given the reactions,   X(s)+12O2(g)⟶XO(s)   ΔH=−637.9 kJ   XCO3(s)⟶XO(s)+CO2(g)ΔH=+480.9 kJ   what…

A: The given reactions are:

Q: Given the reactions,   X(s)+12O2(g)⟶XO(s)   Δ?=−907.3 kJX(s)+12O2(g)⟶XO(s)   ΔH=−907.3 kJ…

A: The reactions given are 1) X (s) + 12 O2 (g) ⟶ XO (s)                                          ΔH =…

Q: Find the AH for the reaction below, given the following reactions and subsequent AH values: B2H6(g)…

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Q: Find ΔHrxn for the reaction:  3C(s)  +   4H2(g)   ----->  C3H8(g)  Use these reactions with known…

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Q: Calculate the ΔHo for the reaction, 6NO2(g) + 8NH3(g) → 7N2(g) + 12H2O(l).   N2(g) + 2O2(g) →…

A: Mathematically, if a chemical reaction can be expressed as the sum of two or more chemical…

Q: Calculate ΔHrxn for the reaction: 7 C (s) + 8 H2 (g) → C7H16 (g) The following reactions and…

A: Given steps reactions are : Reaction A: C7H16 (g) + 11O2 (g) → 7CO2 (g) + 8H2O (g),  ΔH1 = - 4817 kJ…

Q: 20) Given the following thermochemical equations, 4NH3(g) + 7O2(g) → 4NO2(g) + 6H2O(g)…

A: To solve this problem we will use the given thermochemical equations .

Q: Calculate ΔH for 2 NO(g) + O2(g)    ------>N2O4(g), using thefollowing…

A: Given,

Q: Consider the following thermochemical equations: C (diamond) + O2 (g) --> CO2 (g) ΔH° = –395.4 kJ 2…

A:

Q: CO(g)+H2(g)+O2(g)⟶CO2(g)+H2O(g) What is ΔH for the reaction above, given the following reaction…

A: The given data,     2Cs+O2g→2COg     ∆H1=-222 kJ—l      Cs+O2g→CO2g       ∆H2=-394 kJ —ll…

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: Given the reactions,   X(s)+12O2(g)⟶XO(s)   Δ?=−909.7 kJX(s)+12O2(g)⟶XO(s)   ΔH=−909.7 kJ…

A: Given the reactions, 1) X (s) + 12 O2 (g) ⟶ XO (s)                                          ΔH…