Use the following information to calculate the standard enthalpy of formation of NO>(g) at 298 K? N2(g)+ Oz(g) - 2NO(g) AH =180.5 kJ 298 NO2(g) - % O2(g) + NO(g) AHg =57.06 kJ AH;

Q: Given the reactions, X(s) + 0,(g) → XO(s) AH = -765.9 kJ XCO,(s) → XO(s) + CO,(g) AH = +112.9 kJ…

A: The reactions given are 1) 2)

Q: Consider the reaction: MgO(s) + H2O -> Mg(OH)2 0.650g of Magnesium Oxide (MgO) is placed in 100mL…

A: The heat of the reaction is given by: q = mc∆THere, q is the heatm is the massc is the specific…

Q: In a coffee cup calorimeter, a student places 0.470 g of calcium, followed by addition of 50.0 mL of…

A: Given, maas of Ca= 0.470 g  As HCl have properties like water so density= 1g/ml  So mass od 50 ml…

Q: A newly made Styrofoam ball calorimeter was first calibrated by mixing 10.0 mL of 0.40 M…

A: Given: Volume of HCl = 10.0 mL Concentration of HCl = 0.40 M mass of MgO = 0.1008 g MgO (MW = 40.30…

Q: 36. The standard enthalpy (AH) for the reaction of CaCO, with HCI CaCo, + 2 HCI → CaCl, + H,0• CO, +…

A: Enthalpy is a thermodynamic quantity which are extensive property

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

A: Hess's Law of Constant Heat Summation (or just Hess's Law) states that if a reaction occurs in…

Q: The standard enthalpy change for the following reaction is 470 kJ at 298 K. 2 CH3CH,OH(g) 4…

A: We have to calculate the enthalpy change for given reaction.

Q: 1. From the following enthalpy changes, S (s) + 3/2 O₂ (g) → SO3(g) 2 SO₂ (g) + O₂(g) → 2 SO3 (g)…

A: Hess's law states that if a process can be expressed as the sum of two or more steps, the enthalpy…

Q: Determine the enthalpy for the reaction shown below. CS2(l)  +  3O2(g)  -->  CO2(g)  +  2SO2(g)…

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

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

A:

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

A:

Q: Given the following reactions: CaCO3(s) —> CaO(s) + CO2(g) ΔH=178.1kJ C(s, graphite) + O2(g) —>…

A: The reactions given are, 1) CaCO3 (s)  —> CaO (s) + CO2 (g)                                    ΔH…

Q: Calculate the standard heat of formation of calcium carbide, CaC2(s), in kJ/mol, using the following…

A:

Q: Given the standard enthalpy changes for the following two reactions: (1) Sn(s) + Cl½(g}→SnCl½(s) AH°…

A: Enthalpy (H) is a state function. Hess's Law of constant heat summation: If a chemical reaction…

Q: Carbon disulfide burns in air, producing carbon dioxide and sulfur dioxide. CS2 (1) +302(9) CO2 (9)…

A:

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

A:

Q: In a coffee cup calorimeter, 3.00 g of NaOH (molar mass 40.00g/mol) was mixed with 75.0 mL of 1.00M…

A: Given, Mass of NaOH = 3.00 g Volume of HNO3 = 75 ml Concentration of HNO3 = 1.00M T1 = 31.3∘C T2=…