Use the following data to determine the AH° for the conversion of diamond into graphite: C(s,diamond) + O₂(g) co₂2(g) ΔΗ°= -395.4 kJ 2CO₂ (g) 200(g) + O₂(g) ΔΗ° = 566.0 kJ 2CO(g) →→→ C(s,graphite) + CO₂(g) ΔΗ°= -172.5 kJ C(s,diamond)→→→→→ C(s,graphite) AH°= -1.13 x 10 3 kJ +

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

A: Given;

Q: How much heat is liberated at constant pressure if 0.833 g of calcium carbonate reacts with 59.7 mL…

A:

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: 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)…

A: Hess's law states that regardless of multiple stages or steps of a reaction, the total enthalpy…

Q: Determine ΔrH° in kJ/mol for the reaction,  4 NO(g) + 6 H2O(g) →4 NH3(g) + 5 O2(g) using the…

A:

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: BaO(s)+CO2(g)→BaCO3(s) Use the following reactions and…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

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

A:

Q: Potassium cyanate dissolves in water according to the equation below. KCNO (s) ⟶ K+ (aq) + CNO−…

A: Potassium cyanate dissolves in water according to the equation below.KCNO (s) ⟶ K+ (aq) + CNO− (aq)…

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: 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: Determine the amount of heat (in kJ) associated with the production of 5.91 x 10 g of ammonia…

A:

Q: 18. Use the chemical equations shown below to determine the enthalpy for the reaction: Fe,O«(s) +…

A: To solve this problem we will use the given thermochemical equations .  We have to make a…

Q: The standard enthalpy change for the following reaction is -1.55×103 kJ at 298 K. 2 Fe(s) + 10…

A: Standard enthalpy change for the given chemical reaction

Q: Determine ΔrH° in kJ/mol for the reaction,  4 NO(g) + 6 H2O(g) →4 NH3(g) + 5 O2(g) using the…

A:

Q: Calculate  ΔH⁰298   (in kJ) for the process Co3O4(s) → 3 Co(s) + 2 O2(g) from the following…

A: Given    Co(s)  +  12 O2(g)   →  CoO(s)            ∆H°298  =  - 237.9 KJ            ( Equation 1 )…

Q: Use the data in Thermodynamic Properties to determine ΔH° for each of the following reactions.…

A: We have to find the ∆H° for the given reaction using thermodynamics relations., For a chemical…

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: What is the standard enthalpy of formation of CaCO3(s)? CaO(s) + CO2(g)  →  CaCO3(s); ΔH° = -179.4…

A: The given data is as follows: CaO(s) + CO2(g) → CaCO3(s)                   ∆H°=-179.4 kJ/mol The…

Q: Calculate ΔH for the reaction; 4NH3(g) + 5O2 (g) => 4NO (g) + 6H2O (g) , from the following data.

A: 2N2 (g) + 2O2 (g) => 4NO(g)   ........equation(1) 6H2 (g) + 3O2 (g) => 6H2O(g)…

Q: Fermentation of glucose produces ethyl alcohol and carbon dioxide; C 6H 12O 6(l) → 2 C 2H 5OH(l) + 2…

A: The fermentation of the species glucose can be decomposed into the species carbon dioxide along with…

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

A:

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

A:

Q: The standard enthalpy change for the following reaction is 581 kJ at 298 K. ΔΗ° = 581 kJ SnO₂ (s)…

A: Change in enthalpy is an extensive property. Means its value depends on the amount of matter.…

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: When 4.20 g of solid NH4NO3 dissolves in 50.0 g of water at 26.8°C in a calorimeter, the temperature…

A: The heat of a substance is given as:

Q: Chloroform, CHCl3, is formed from methane and chlorine in the following reaction. CH4(g) + 3 Cl2(g)…

A:

Q: Calculate ΔH for the reaction; 4NH3(g) + 5O2 (g) => 4NO (g) + 6H2O (g) , from the following data.…

A: Given that:           △H for the formation of 2 mol NO (g) = - 180.5 KJ△H for the formation of 2 mol…

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

A:

Q: The standard enthalpy change for the following reaction is -425 kJ at 298 K. AH° -425 kJ K(s) +…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

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

A:

Q: Calculate the enthalpy change for the reaction C(graphite) + 2 H2(g) → CH4(g) with the help of the…

A:

Q: Hydrogen peroxide can be prepared in several ways. One method is the reaction between hydrogen and…

A: ∆G°rxn can be calculated using standard Gibbs free energy change of formation (∆G°f) of species…

Q: When a 45.0 g sample of an alloy at 100.0 °C is dropped into 55.0 g of water at 25.0 °C, the final…

A:

Q: Calculate  ΔH⁰298   (in kJ) for the process Co3O4(s) → 3 Co(s) + 2 O2(g) from the following…

A: Given,