Calculate the ΔΔH° (kJ) for the following reaction: CaC2 (s) + 2 H2O (l) → Ca(OH)2 (aq) + C2H2 (g)   when the following heats of reaction are known.   Ca (s) + 2 C graphite → CaC2 (s)  ΔΔH =  - 62.8 kJ   Ca (s) + ½ O2 (g) → CaO (s)  ΔΔH =  - 635.5 kJ   C2H2 (g) + 5/2 O2 (g) → 2 CO2 (g) + H2O (l)  ΔΔH =  - 1301.0 kJ   C graphite + O2 (g) → CO2 (g)  ΔΔH =  - 393.5 kJ   CaO (s) + H2O (l) → Ca(OH)2 (aq)  ΔΔH =  - 653.1 kJ

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

A: Given;

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)…

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Q: Calculate ΔH for the reaction P4O10(s) + 6PCl5(g) → 10Cl3PO(g) given, P4(s) + 6Cl2(g) → 4PCl3(g)…

A: Let,P4(s) + 6Cl2(g) → 4PCl3(g) ΔH1 = –1225.6 kJ    -----1 P4(s) + 5O2(g) → P4O10(s) ΔH2 = –2967.3 kJ…

Q: an alternative to combustion, coal gas can undergo a process called methanation.  3 H2(g)  +  CO(g)…

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Q: Given these reactions, X(s)+1/2O2(g)⟶XO(s)                 Δ?=−887.7kJ/mol XCO3(s)⟶XO(s)+CO2(g)…

A: X(s)+1/2O2(g)    ⟶    XO(s)                                          ΔH1=−887.7kJ/mol…

Q: When a 3.91 g sample of solid sodium hydroxide was dissolved in a calorimeter in 110.0 g  of water,…

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Q: From the enthalpies of reaction: 2 C(s) + O2(g) → 2 CO(g) ΔH =…

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

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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: Use this information 2H(aq) → H(g) ΔH = -305.6 kJ/mol Zn(s) + 2Cl(aq) → ZnCl(aq) ΔH = -451.1 kJ/mol…

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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: A 50.0 mL sample of a 1.00 M solution of CuSO4 is mixed with 50.0 mL of 2.00 M KOH in a calorimeter.…

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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)…

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Q: reactions

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

Q: The standard enthalpy change for the following reaction is -763 kJ at 298 K. Ti(s) + 2 Cl2(g)…

A: The enthalpy change for the backward process the equal in magnitude but opposite in sign to the…

Q: The standard enthalpy change for the following reaction is -124 kJ at 298 K. Ag(s) + 1/2 N2(g) + 3/2…

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Q: a) Calculate the standard enthalpy of reaction 4 using the given data: A ( g ) + X 2 ( g ) ⟶ A X 2…

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

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

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

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

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Q: Using the following thermochemical equations; (a) CaO (s) + Cl2 (g) → CaOCl2 (s) ΔH°= -110.9 kJ (b)…

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Q: A 50.0 mL sample of a 1.00 M solution of CuSO4 is mixed with 50.0 mL of 2.00 M KOH in a calorimeter.…

A: The question is based on the concept of chemical thermodynamics. It  involves usage of calorimetry…