What is the enthalpy change for the reaction below 8 CO2(g) + 10 H2O(l) → 2 C4H10(g) + 13 O2(g) If the thermochemical equation for the combustion of butane is given as:   C4H10(g) + 13/2 O2(g) → 4 CO2(g) + 5 H2O(l) ΔrH° = –2877 kJ/mol     +1439 kJ/mol     +2877 kJ/mol     –5754 kJ/mol     –5754 kJ/mol     +5754 kJ/mol     None of the above

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: Consider the following standard heats of formation: H2O(l) = –286 kJ/mol…

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Q: Determine ΔH for the third reaction from the information given. S(s) + O2(g) ↔ SO2(g) ΔH = -296.1…

A: Given;

Q: What is the ΔSo for the combustion reaction of ammonia NH3(g) to nitrogen dioxide NO2(g) and water…

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Q: Calculate the ΔH for the reaction: 4 NH3 (g) + 5 O2 (g) --> 4 NO (g) + 6 H2O (g) from the following…

A: According to Hess's law, the enthalpy change of a reaction is independent of the number of steps…

Q: Find the ΔH (in kilojoules) for the reaction below, given the following reactions and subsequent ΔH…

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Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = –184.6 kJ Reaction 2: 20F2(g)…

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Q: Given the reactions, X(s)+12O2(g)⟶XO(s) Δ?=−635.1 kJ XCO3(s)⟶XO(s)+CO2(g)…

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: Using the following reactions: H 2 (g) +  F 2 (g) --> 2 HF (g)             ∆H = –537 kJ x   C (s)…

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Q: The standard enthalpy change for the following reaction is 641 KJ at 298 K. Mg(s) + Cl₂(g) AH° = 641…

A: Given -> MgCl2(s) ------> Mg(s) + Cl2(g) ∆H°= 641 kJ

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

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Q: Consider the reaction N2(g)+3H2(g)→2NH3(g),N2(g)+3H2(g)→2NH3(g), ΔHΔH =−92.3kJ mol−1=−92.3kJ mol−1…

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Q: Sodium oxide is a significant component of glasses, ceramics, and windows. Typically, manufactured…

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Q: Using Hess's law, calculate ΔH for the reaction: 2C (s) + H2 (g) -> C2H2 (g) reaction 1 C2H2 (g) +…

A: Given: The different chemical reaction is calculated as follows: C2H2 (g) + 3O2 (g) ------------>…

Q: Given the reactions, X(s)+1/2 O2(g)⟶XO(s)   Δ?=−613.7 kJ XCO3(s)⟶XO(s)+CO2(g) Δ?=+148.1 kJ what is…

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Q: Compound ΔHf° (kJ/mol) CH3OH(l) –238.7 O2(g) 0.00 CO2(g) –393.5 H2O(l) –285.8 How many grams of…

A: Given data  Mass of water (mwater) = 441 g Initial temperature of water (Ti) = 19.5°C Final…

Q: Given the following enthalpy change values for the reactions below: A + B → 2C ; ΔrH = 169.9 kJ…

A: Given thermochemical equations are  A + B → 2C ; ΔrH = 169.9 kJ mol-1 ------ (i) C + 2D → E + F  ;…

Q: Given the values of ΔHo for the two reactions below, find the ΔHo in kJ for the reaction:  IF5…

A: (1) IF (g) + F2 (g)→→ IF3 (g) ΔHo = -390 kJ (2) IF (g) + 2F2 (g) →→ IF5 (g) ΔHo = -745 kJ To…

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: 7) Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction:…

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Q: Find the AH for the reaction below, given the following reactions and subsequent AH values: N2H4(1)…

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Q: At 298 K, the following heats of reaction are known: S (s) + O2 (g) → SO2 (g) ΔH = −296.1 kJ 2 SO3…

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Q: using the standard molar enthalpies of formation here below. Give the answer in kJ/mol-rxn (write…

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Q: Use the information provided to determine ΔH°rxn for the following reaction: 3 A(s) + B(g) → 2 X(s)…

A: The standard enthalpy of the given reaction is calculated is follows :

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: Hydrogen cyanide is a highly poisonous, volatile liquid. Determine the ΔH for the reaction that…

A: Hess's Law of Constant Heat Summation: If a reaction occurs in multiple stages or steps, the total…

Q: 5. Given the following equations and AH values, determine the heat of reaction (kJ) at 298 K for the…

A: Hess's law is defined as the law which states that the total amount of heat absorbed or released for…

Q: The following reaction was performed in a constant volume bomb calorimeter: 2N2O(g)  +  3O2(g)   →…

A: Given:  Delta H = -31.7 KJ /°C  Delta T = 0.385 °C  Heat capacity = 5.16 KJ/°C

Q: Two pollutants that form in auto exhaust are CO and NO. An environmental chemist must convert these…

A: The question is based on the concept of Hess's law.   It states that the net enthalpy change during…

Q: Find the ΔH (in kilojoules) for the reaction below, given the following reactions and subsequent ΔH…

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Q: the

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

A: Answer

Q: Given the following enthalpy change values for the reactions below: A + B → 2C ; ΔrH = 305.5 kJ…

A: According to the Hess's law we know that  when  a chemical equation is written as the sum of overall…

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: The enthalpy change for the following reaction is -36.2 kJ 2A(s) + B(g) → C(g) Determine the ΔH…

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

Q: Calculate the ΔΔH° (kJ) for the following reaction: CaC2 (s) + 2 H2O (l) → Ca(OH)2 (aq) + C2H2 (g)…

A: Given that: Ca (s) + 2 C graphite → CaC2 (s) ; ΔH =  - 62.8 kJCa (s) + ½ O2 (g) → CaO (s)  ; ΔH =…

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

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Q: Use the balanced thermochemical equations shown below (reactions 1,2, & 3) to determine the enthalpy…

A: Solid magnesium react with oxygen and produced solid magnesium oxide

Q: Compound ΔHf° (kJ/mol) CH3OH(l) –238.7 O2(g) 0.00 CO2(g) –393.5 H2O(l) –285.8 How many grams of…

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Q: THERMODYNAMICS: Given the following hypothetical thermochemical equations: 2QJ3 (g) + 3Q2X (g) →…

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Q: Given the reactions,   X(s)+12O2(g)⟶XO(s)   Δ?=−737.5 kJ   XCO3(s)⟶XO(s)+CO2(g)Δ?=+488.3 kJ what…

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Q: Find the enthalpy change for the reaction CS2(l) +3 O2(g) -> CO2(g) + 2 SO2(g) when: C(s) + O2(g)…

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Q: Nitrogen oxide (NO) has been found to be a key component in many biological processes. It also can…

A: The given is reaction for formation of NO2 NO(g) + ½O2(g) → NO2(g) ΔH = –57.0 kJ We are to find out…

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

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Q: A chemist measures the enthalpy change AH during the following reaction: 3 N2(9) + 8 H2(9)→4NH3(g) +…

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Q: Find the ΔH (kJ) for the reaction below, given the following reactions and subsequent ΔH values:…

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Q: Use the standard reaction enthalpies given below to determine Hᵒrxn for the following reaction:…

A: Given,  N2(g) + O2(g) --------> 2NO(g)  ∆H°rxn= +183 kJ    1/2 N2(g) + O2(g) -------> NO2(g)…

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: Use standard enthalpies of formation to calculate ΔH° for the following reaction: SnO2 (s)   +   2…

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