2CH4(g) → C2H6(g) + H2(g)      ΔHrxn = ?        Calculate ΔHrxn using the data below.   Include negative sign if appropriate.                                                                                     ΔHrxn (kJ)       H2(g) + ½ O2(g) → H2O(ℓ)                                 -285.8        CH4(g) + 2O2(g) → CO2(g) +2H2O(ℓ)                  -890.4 C2H6(g) + 7/2 O2(g) → 2CO2(g) + 3H2O(ℓ)              -1559.9

Q: 1. Calculate ΔH for the reaction: 2 C(s) + H2(g) → C2H2(g) given the following chemical equations…

A: 1. The given equation is  C2H2(g) + 5⁄2O2(g) ---> 2CO2(g) + H2O(ℓ)ΔH° = −1299.6 kJ C(s) + O2(g)…

Q: Calculate the enthalpy of the reaction 4B(s)+3O2(g)→2B2O3(s)4B(s)+3O2(g)→2B2O3(s) given the…

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Q: Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction: 4…

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Q: A scientist measures the standard enthalpy change for the following reaction to be -18.4 kJ: Ca(OH)2…

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Q: Use the thermochemical equations below to determine the AHXN expression for: 2 N20(g) → 2 N2(g) +…

A: When we reverse the reaction, then enthalpy for the reversed reaction will be the same as the…

Q: Given the following information: 2 NH3(g) + 3 N2O(g) → 4 N2(g) + 3 H2O(l)              ΔHºrxn =…

A: Solution - According to the question - Given reaction - 2NH3(g) + 3 N2O(g) ---> 4N2(g) + 3H2O(l)…

Q: ind ΔHrxn for the following reaction given the table below. N2O(g) + NO2(g) → 3 NO(g) Reaction…

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Q: The current Safe Drinking Water Act Maximum Contaminant Limit for arsenic in drinking water is 10…

A: "Since you have asked multiple questions, we will solve the first question for you i.e Q 3 (a,b,c).…

Q: H2(g) + F2(g) → 2 HF(g)    ΔH = -542 kJ What would be the enthalpy change for the reverse of the…

A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…

Q: The balanced thermochemical equation for the combustion of exactly one mole of propane is: C3H8 (g)…

A: 1.5 CO2 (g) + 5 H2O(l)   → 0.5 C3H8 (g) + 2.5 O2 (g) )                  ΔH =+1110 kJ/mol

Q: calculate the change in enthalpy for Reaction 2. Reaction 1:…

A: Given Reaction 1: C3H8(g) + 5O2(g)→3CO2(g) + 4H2O(g)  ∆H1 = -2043 kJ mol-1 Reaction 2: 6C3H8(g) +…

Q: Calculate the enthalpy change for the reaction C2H2(g) + 2H2(g) → C2H6(g)     ΔrH = ? from the…

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

Q: Consider the following chemical reaction and calculate the ΔHrxn using the data provided to the…

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Q: Using the equations Ca(s) + 1/2 O₂ (g) → CaO (s) ∆H° = -450 kJ/mol CO₂ (g) → C (s) + O₂ (g) ∆H° =…

A: The given equation are Ca(s) + 1/2 O₂ (g) → CaO (s) ∆H° = -450 kJ/mol                       ......…

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: Consider the following reactions:                  C2H6 (g)  +  7/2 O2 (g)  →  2 CO2 (g)  +  3 H2O…

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Q: You wish to find the enthalpy for the reaction 6 GeI₄ (s) + 14 NH₄I (s) → 3 Ge₂H₆ (l) + 7 N₂ (g) +…

A: The above question is based on the Hess's law: It is defined as the total change when happened…

Q: 1) Given C(s) + O2 (g) → CO2 (g) ΔH= +393.5 kJ S(s) + O2 (g) → SO2 (g) ΔH= +296.8 kJ What will be…

A: Given data 1) GivenC(s) + O2 (g) → CO2 (g) ΔH= +393.5 kJS(s) + O2 (g) → SO2 (g) ΔH= +296.8 kJWhat…

Q: Determine the enthalpy of reaction for 2CH₄(g) → C₂H₄(g) + 2H₂(g) using the equations: 2C₂H₆(g) +…

A: Our desired equation is: 2CH₄(g) → C₂H₄(g) + 2H₂(g) ; ∆Ho = ?? In order to get the desired equation,…

Q: Use the following information to determine the enthalpy for the reaction shown below. CS2(l) +…

A: The enthalpy of the reaction is calculate using Hess' law. This law states that regardless the…

Q: Determine the enthalpy of reaction for 2CH2(g) → C₂H4(g) + 2H₂(g) using the equations: 2C₂H6(g) +…

A: When any reaction is reversed, then the value of the enthalpy of the reaction remains the same but…

Q: [tot] 3Li(s) + (1/2)N2(g) → Li3N(s) ΔH(tot) = ___________? [1] 2Li(s) + 2HCl(aq) → 2LiCl(aq) +…

A: A numerical problem based on enthalpy change calculation, which is to be accomplished.

Q: During the calculation process, how must the following reaction and its ΔH°rxn be manipulated?…

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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: From the following heats of combustion, CH3OH(l)  +  3/2O2(g)  →  CO2(g)  +  2H2O(l)…

A: CH3OH(l)  +  3/2O2(g)  →  CO2(g)  +  2H2O(l)          ΔHorxn = –726.4 kJ/mol So, CO2(g)  +  2H2O(l)…

Q: The following thermochemical equations are provided; C2H2 (g) + O2 (g)  --> 2 CO2 (g) + H2O (l)…

A: According to Hess's law of thermodynamics, if a reaction proceeds through the multi-steps, then…

Q: reactions

A: Dear student I have given answer to your question in the image format.

Q: hat is ΔHof of Al2S3(s)?   2Al2S3(s) + 9O2(g) → 2Al2O3(s) + 6SO2(g)     ΔHo = -3684.2 kJ   ΔHof…

A: The reaction : 2Al2S3(s) + 9O2(g) → 2Al2O3(s) + 6SO2(g)     ΔHo = -3684.2 kJ ΔHof  Al2O3(s) =…

Q: Use the ΔH°f data in the Reference Cards to calculate ΔH°rxn for this reaction: 2 SO2(g) + O2(g) → 2…

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Q: Given the following combustion data for three different fuels: CH4 (g), C8H18 (l) and CH3OH (l),…

A: For fuel CH4 energy per gram is  CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (l) ΔH° = −890 kJenergy per…

Q: You wish to find the enthalpy for the reaction 6 GeI₄ (s) + 14 NH₄I (s) → 3 Ge₂H₆ (l) + 7 N₂ (g) +…

A: The objective of this question is to calculate the enthalpy change for the given reaction using the…

Q: Calculate the enthalpy change for the following reaction: 2C(s) + H2(g) → C2H2(g) ΔH° = ??? kJ…

A: Given, Enthalpy change (∆H°) for the following reactions are given, a) C2H2(g) + 5⁄2O2(g) → 2CO2(g)…

Q: Calculate the ΔHrxn∆Hrxn for the combustion of methane shown below: CH4(g)+2O2(g)→CO2(g)+2H2O(l)…

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Q: Consider the reactions 2 K2O(s) + O2(g) → 2 K2O2(s) ΔH = -265 kJ 8 KO2(s) → 4 K2O(s) + 6 O2(g) ΔH =…

A: The enthalpy of any reaction is an additive property. So if the enthalpy of two or more reaction is…

Q: Use the example shown to calculate the reaction enthalpy, ΔH, for the following reaction:…

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Q: Given the following data: 4NO(g) + 6H2O(g) → 4NH3(g) + 5O2(g) ΔH = 906.2 kJ 2NH3(g) → N2(g) +…

A: As per the question, given reactions are mentioned below:

Q: Determine the enthalpy change for the reaction: 3C2H2(g)   →   C6H6(l)      given the following…

A: Given data,2C6H6(l)+15O2(g)  → 12CO2(g)   +    6H2O(g)  ΔH=−6271 kJ ---1 2C2H2(g)+5O2(g)  →  4CO2(g)…

Q: Calculate Δ­H for the reaction  NO(g) + O(g) → NO2(g) given the following information: NO(g) +…

A: Introduction The value of heat of reaction can be calculated by the application of Hess's Law.

Q: Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction:…

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