Calculate AH° for the process ½ N2(g) + ½ O2(g)→ NO(g) from the following information AH° = -192.3 /mol N2(g) + 2 O2(g) – 2 NO2(g) AH° = -493.5 /mol 2 NO(g) + 02- 2 NO2(g) K/mol

Q: name and define K,Kc and K1c .explain the differences and conditions under which each parameter…

A: K is Stress-Intensity factor which is quantitative parameter of fracture toughness. Kc is fracture…

Q: The excessive production of ozone (O3) gas in the lower atmosphere causes rubber to deteriorate,…

A: The change in Gibbs free energy for formation of ozone is determined as,

Q: Limestone stalactites and stalagmites are formed in caves by the following reaction:Ca2 + 1aq2 + 2…

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Q: The density (d) of propane at a pressure of 1 atm measured at various temperatures is given in the…

A: The boiling point is the temperature at which the pressure exerted on a liquid equals the pressure…

Q: 1. In the following reaction calculate and find the normality when it is 1.0M H,PO4 H3* PO, +2Na* OH…

A: Normality of the given solution is calculated as,  N = M*n where M = molarity,n = number of…

Q: a) NH3 (aq. 1.5 M) + HCI (aq. 1.5 M) NH,CI (aq. 0.75 M) and b) NH,CI (s) - NH4CI (aq. 0.75 M) Using…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: Extent of reaction a) y b) x+y X-A (p Energy (kJ) 84号88325n50

A: Activation energy is different in energy of transition state and energy of reactant. Transition…

Q: The following gas phase system is at equilibrium: CCl,(g) + CH4(g)22 CH,Cl2(g) The pressure of each…

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Q: Determine the mass of nitrogen gas confined in a 6 cubic meter tank at a pressure of 198.675 kPag…

A: Intrdouction :  We have to calculate mass of nitrogen gas . Volume of tank= 6 cm3  Pressure =…

Q: At constant pressure and 25^C, What is delta H for the following reaction.    2C2H6(g) + 7O2(g) =…

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Q: average kinetic kinetic energy of helium gas at 140.0 K is 1.74594 kJ/mol. What is the average…

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Q: olution is formed when the solute uniformly disperses oughout (or dissolves in) the solvent. The…

A: The process which absorbs energy is known as endothermic process and the process which release…

Q: Calculate the value of Kp at 298 K for   N2(g)  + 2 O2(g) ⇌  2 NO2(g) from the following…

A: Since adding the given 2 reactions will give us the reaction  N2 (g)  + 2 O2 (g) ⇌  2 NO2 (g) Hence…

Q: a. Consider the data below for the reaction   H2O(l)  ⇌  H2O(g)  .                             Plot…

A: The P-T curve from the given data is shown below.

Q: The diagram shows G as a function of Q at 25°C for: GF 6. H20() = H20(g) What is AG at point 4? 51 (…

A: Given

Q: Calculate AG° at 605 K for H2O(g) + 1/2 O2(g) H2O2(g) using the following data: H2(g) +O2(g) S…

A: The reactions given are 1) H2 (g) + O2 (g) ------>  H2O2 (g)  2) 2 H2 (g) + O2 (g) ------> 2…

Q: The values of AH° (298 K) for SO2 and SO3 are -296.8 and -395.7 kJ/mol respectively. What is the…

A: The enthalpy change of a chemical reaction can be calculated by the standard heat of formation of…

Q: When 375.0g of iron block is 87C was added to water at 15C, the system reached 33C. What mass of…

A: The energy of a system always remains the same. It is only transferred from one substance to…

Q: A process of synthesizing NH3 through the reaction: 3H, (g) + N (g) 2 2NH (g) AG°(NH ) = 16500/…

A: The catalyst currently used in the Haber process is finely divided iron mixed with potassium…

Q: (ii) Explain the reasoning for using compromise temperature and pressure in industrial processes

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Q: How long would it take for 1.50 molmol of water at 100.0 ∘C∘C to be converted completely into steam…

A: Enthalpy of vaporization of water (delta Hvap) = 40650 J/mol Given,  Moles of water heated = 1.50…

Q: The reaction for cobalt oxide reduction using CO is given as: CoO + CO = Co + CO2 ΔG°=-48500 + 4.96T…

A: The expression for Gibbs free energy change is given.

Q: You place a frozen bottle of water, initially at -5.2 °C, outside where the summer temperature is…

A: For, the given scenario, we have to predict which of the given option represents  ∆Ssys, ∆Ssurr and…

Q: Write a balanced chemical equation for the photosynthesis reaction in which gaseous carbon dioxide…

A: The reactants given are carbon dioxide i.e. CO2 and liquid water i.e. H2O and the products are…

Q: 2CIF (g) +O2 (g) → Cl20 (g) + F20 (g) 2CIF3 (g) + 202 (g) → Cl20 (g) +3F20 (g) AH°a = 341.4 kJ/mol…

A: The value of dH° for the reaction is to be calculated

Q: The salt potassium perchlorate is soluble in water. When 2.84 g of KClO4 is dissolved in 106.00 g of…

A: Mass of KClO4 = 2.84 g Mass of H2O = 106 g Total mass of mixture = (106 + 2.84) g Temperature…

Q: Which of the following definitions is correct?     H = G – TS     A = U – TS     G = H + PV…

A: Which equation is correct?

Q: Carbon monoxide, a toxic product from the incomplete combustion of fossil fuels, reacts with water…

A: The spontaneity of a reaction can be calculated from the value of Gibbs free energy change. Write…

Q: 2. The molar Gibbs free energy for a substance has the following dependence on temperature T an…

A: The given reaction is : Gm(T,P)= RTln PP0+A+BP+12Cp2+13Dp3Here, P0=standard pressure = 1 bar.…

Q: phorus oxychloride (POCl3) is a chlorinating agent that is frequently used in organic chemistry

A: We have to tell whether reaction is spontaneous

Q: Be sure to answer all parts. For reactions in condensed phases (liquids and solids), the difference…

A: Given, Pressure = P = 4.00×104 atm density of graphite =2.25 gcm3 density of diamond =3.52 gcm3

Q: Chlorhexidine gluconate Purified water q.s. Make a solution such that 1 tsp diluted to 1 gallon with…

A: a. The solution is 1:4200 w/v solution.

Q: Consider the reaction: 2A(g) + B(g) → 2C(g) If ΔG° = −5.4 kJ/mol at T = 25°C and PA = PB = 1 atm and…

A: For the given reaction: 2A(g) + B(g) → 2C(g)   ΔG° = −5.4 kJ/mol T = 25°C = 25+273 K = 298 K PA = PB…

Q: 2- All the followings have extensive proprieties of thermodynamic except Ob- Volume. d- Enthalpy. a-…

A: Volume, Enthalpy and Energy are an extensive property as its value depends on the amount of…

Q: 500+ 350+ 200 475 V (cm) What is the change in thermal energy of the gas during this process? O 55 J…

A: The given information is represented as follows:

Q: Thermodynamic Processes: The figure shows a pV diagram for 2.6 g of ideal helium gas that undergoes…

A: Given that,

Q: 8. Calculate AH for the reaction: C2H4(g) + H2 (g) → C2H6 (g), from the following data. a. C2H4(g) +…

A: 8. Answer :-  -136.8 (kJ) The ∆H for the reaction C2H4 (g) + H2 (g) → C2H6 (g) = -136.8 kJ.…

Q: Write the general expression K, for the following processes: a. The combustion of methane gas CH, +…

A: Equilibrium constant is a ratio of concentration of product over reactant raise to power of their…

Q: Acetylene gas, C2H21g2, is used in welding. What is the maximum amount of useful work that can be…

A: The maximum amount of useful work can be determined by using the expression given below: C2H2 g + 52…

Q: What is ASsurr (in J/K) if AHsys is -27.2 kJ and T is 294 K?

A: Given, ∆Hsys = -27.2 kJ = -27200 J T = 294 K  So ∆Ssys = ∆Hsys/T = -27200 J/294K = -92.5 J/K

Q: An aqueous solution of cobalt(II) chloride, CoCl2, is made by dissolving 2.07 grams of cobalt(II)…

A: 1) weight / volume percent = weight of solute X 100 / volume of solution  The solute is CoCl2

Q: The reaction for cobalt oxide reduction using CO is given as: CoO + CO = Co + CO2 ΔG°=-48500 + 4.96T…

A: Reduction reaction is defined as the reaction in which a chemical specie gains electron.…

Q: Limestone stalactites and stalagmites are formed in caves by the following reaction: Ca²+ (aq) +…

A: The balanced chemical equation is: Ca2+(aq) + 2HCO3-(aq) → CaCO3(s) + CO2(g) + H2O(l)  The reactant…

Q: X(g) + 4Y(g) = 3Z(g) K, = 3.12 x 10-² bar ² at a temperature of 287 °C. Calculate the value of Ke.

A: Given: Kp = 3.12×10-2 bar-2 Temperature = 287 oC = 560 K R = 8.314×10-2 L.bar/K.mol

Q: Which one of the following processes is exothermic? a. 16 CO2(g) + 18 H2O(l) →2 C8H18(l) + 25 O2(g)…

A: Exothermic reaction are reaction that involves release of energy in the form of heat.

Q: In which of the following processes is AH = AU? Two moles of hydrogen iodide gas react to form…

A: A question based on thermodynamics, which is to be accomplished.

Q: What is the temperature in K of 0.500 mole of neon in a 2.00 L vessel at 4.32 bar? R = 0.08314…

A: By combining three laws  Boyle's law  vα1P(Costant T end n)               eqh-1Charle's law VαT…

Q: Calculate the pressure to be applied to cause the same enthalpy change when temperature of a…

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Q: What is vahse or equilliorum constant for Pollowns? (AP)+ HF(AP) + Yencut) or HE) Kb

A: Equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical…