We want to find the enthalpy change (ΔHΔH) for the reaction: 2CH4->C2H6+H2 Given the following reactions: H2+1/2O2→H2O (Given ΔH=−285.8 kJ CH4→2O2->CO2​+2H2​O (Given ΔH=−890.3 kJ C2H6+7/2O2→2CO2+3H2O (Given ΔH=−1559.9 kJ

Q: Given the standard enthalpy changes for the following two reactions: (1) Ni(s) +…

A: The given chemical reactions are as follows:

Q: Given the standard enthalpy changes for the following two reactions: (1) Hg(1) + Cl½(g)–→HgCl½(s)…

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

Q: From the following enthalpies of reaction, 4HCl(g) + O2(g) -> 2H2O(l) + 2Cl2(g)       ΔH = -202.4…

A:

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: Given the standard enthalpy changes for the following two reactions: AHo-696.6 kJ ΔΗ (1) 2Zn(s)…

A: Given information:

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

A: The reactions given are, 1) C (s) + 2 H2 (g) → CH4 (g)…

Q: Calculate the standard enthalpy change for the reaction 2C8H18(l) + 21O2(g) → 8CO(g) + 8CO2(g) +…

A: To find :  2C8H18(l)+21O2(g)→8CO(g)+8CO2(g)+18H2O(l)…

Q: Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and…

A: Required reaction:  CaO(s) + CO2 (g) → CaCO3(s)

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

A:

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: Given the following reactions: Reaction 1: Fe2O3 (s) + 3CO (s) ¬ 2Fe (s) + 3CO2 (g) ΔH = -28.0 kJ…

A: Given reactions =' 1. Fe2O3 (s) + 3CO (s) ¬ 2Fe (s) + 3CO2 (g) ; ΔH = -28.0 kJ  2.  3Fe (s) + 4CO2…

Q: Given the reactions, X(s) +02(g) XO(s) ΔΗ -670.5 kJ XCO3(s) XO (s)+CO2(g) ΔΗ +395.3 kJ what is AH…

A: Given that,The enthalpy change of the reaction is

Q: CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l), ΔH = -726.4 KJ/mol C (graphite) + O2 (g)  → CO2 (g),…

A: Given reactions are  1) CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l),…

Q: Calculate ΔHrxn for the following reaction: 3C(s)+4H2(g)→C3H8(l) Use the following reactions and…

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

Q: (1) N2(g) + 202(g)→2NO2(g) AH° = 66.4 kJ (2) 2N½0(g)2N2(g) + O2(g) AH° = -164.2 kJ what is the…

A: Given, N2(g)+2O2(g)→2NO2(g) ∆Ho=66.4kJ--------(1)2N2O(g)→2N2(g)+O2(g) ∆Ho=-164.2kJ--------(2)

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

A:

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g) →→C4H10(g)…

A:

Q: Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and…

A:

Q: enthalpy change for the reaction 2C8H18(l) + 17O2(g) → 16CO(g) +

A: According to Hess's law we can treat thermodynamic equations like algebraic equations i. e. We can…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O2(g)2PBO(s) AH° =…

A: Given that -  (1) 2Pb(s) + O2(g) ----> 2PbO(s) , ∆H°1 = -434.6 kJ    (2) Pb(s) + Cl2(g) ---->…

Q: CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l), ΔH = -726.4 KJ/mol C (graphite) + O2 (g)  → CO2 (g),…

A: Hess’s law of constant heat summation- Change in enthalpy for a reaction is independent on path or…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + 02(g)→2P60(s) AH°…

A: We have to calculate the standard enthalpy change for the reaction PbO(s) + Zn(s) → Pb(s) + ZnO(s).

Q: Given the standard enthalpy changes for the following two reactions: (1) N₂(g) +202 (g) → 2NO2 (9)…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O2(g)-2P6O(s) AH°…

A: Given,

Q: The standard enthalpy change for the following reaction is 433 kJ at 298 K. KClO4(s)---->  K(s) +…

A: For the given reaction, the standard enthalpy change is 433 kJ at 298 K is : KClO4 (s) → K (s) + 1/2…

Q: Calculate ΔH for the following reaction: 4 Cu(s) + 2 NO2 (g) → 4 CuO(s) + N2(g) Given the following…

A:

Q: Calculate ΔH for this reaction: 2N2 (g) + 5O2 (g) => 2N2O5(g)      Using the following three…

A: Hess's law: It states that the total amount of heat absorbed or released for a given chemical…

Q: Use the standard enthalpy of formation data to find the ΔHo for the following reaction: Cr2O3 (s) +…

A:

Q: Calculate ΔH for this reaction: 2N2 (g) + 5O2 (g) => 2N2O5(g)      Using the following three…

A: (i) 2N2 (g) + 5O2 (g) ----->  2N2O5(g)      (ii) H2 (g) + (1/2) O2 (g) ------>  H2O(l)…

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g)- →C4H10(g)…

A:

Q: What is the standard enthalpy change for the reaction:  2PbCl2 (s) + O2 (g) --> 2PbO (s) + 2Cl2 (g)…

A: The standard enthalpy change of the reaction can be calculated with the help of the given two…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O2(g)–2PBO(s) AH°…

A: Consider the given thermochemical equations is as follows; 1 2 Pbs   +  O2g  →  2 PbOs…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Ni(s) + O2(g)–→2N¡O(s) AH°…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: Given: Pb(s) + PbO2(s) + 2H2SO4(l) → 2PbSO4(s) + 2H2O(l); ΔH° = –509.2 kJ SO3(g) + H2O(l) →…

A:

Q: Calculate the standard enthalpy change for the reaction 2C8H18(l) + 21O2(g) → 8CO(g) + 8CO2(g) +…

A: