1. H°f of the formation of rust (Fe2O3) is -826 KJ/mol. How much energy is involved in the formation of rust?

Q: The octane number of gasoline is the % by volume of iso-octane in an iso- octane (C8H18) and…

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Q: what mass of methane, ch4(g) in kg must be burned to liberates 2.80×10^7 kj of heat if the heat of…

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Q: carbon tetrachloride is liquid at room temperature while ammonia is a gas. why does this happens?

A: The state of carbon tetrachloride and ammonia at room temperature is to be explained.

Q: Explain the following observations:Hydrofluoric acid cannot be stored in glass bottles.

A: The reason for not storing Hydrofluoric acid in the glass bottles is to be mentioned.

Q: ionic equation that occurs when NH3 is added to a solution containing Fe3+

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Q: a mixture of argon and xenon was prepared at a pressure of 1 bar and at 25deg celsius. The amount of…

A: Given that :there are two gases  i.e argon and xenon P =1 barT = 25 C =25 +273.15 =298.15 K

Q: Consider the combustion of coke.  If 50 kg coke composed of 92% carbon and 4% moisture is burned,…

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Q: How many grams of chromic sulfide will be formed from 0.718 grams of chromi oxide according to the…

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Q: The following information are given for aqueous solutions of solid Q: - If Q (s) is dissolved in…

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Q: Assuming ideal gases reactants and products. Estimate the enthalpy of reaction hR for the combustion…

A: According to Kirchoff's Law, At constant pressure, the heat capacity is equal to change in enthalpy…

Q: Incomplete combustion of 100 mol of coal (GCV = 900 KJ/mol) produces 300 mol of stack gas…

A: Orsat analysis of the stack gas represent the composition of species excluding water.

Q: Using the following data, estimate AHf° (in kJ/mol) for potassium chloride: K(s) + ½ Cl2(g) →…

A: The heat of the formation of the reaction is defined as the difference between the change in…

Q: The catalyst used to turn crude petroleum into fuels gradually becomes caked with coke, which can be…

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Q: b) Microelectronic devices are fabricated by forming silicon thin films onto a heated plate as shown…

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Q: Write the equation for : Write the equation for react the citric acid with sodium bicarbonate to…

A: The reactants are citric acid and sodium bicarbonate. C6H8O7 is the chemical formula of citric acid…

Q: LizO is added as an impurity to CaO. Suppose that Li* ions substitute for Ca* ions. Which statement…

A: Ca ion introduces positive charge of +2 and Li introduces charge of +1. If Li impurity is introduced…

Q: A mixed brine by electrolysing, a gaseous mixture is obtained at the cathode having the following…

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Q: Based on the following thermochemical equation H,O(1) – H;0(g) AH= 44 kJ/mol. The enthalpy of…

A: Enthalpy change of vaporization of liquid water = 44 kJ/mol Number of moles of water = 2 mol

Q: Ethylene is a very combustible gas. Write a balanced equation for the complete oxidation reaction…

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Q: B: A sample of naphtha has the following characteristics: boiling point range 11.5 52°C specific…

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Q: At 25°C, the molar solubility of Pb(IO3)2 in water is 3.61 ×10-5 M. a. Determine the solubility…

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Q: Please answer for the following questions The following figure is the Lead-Tin Phase Diagram of…

A: Composition of the mixture is, Sn = 40 wt % Pb = 60 wt% Temperature = 150 0C

Q: At low pressures, what are the effects of temperature and pressure on the molecular diffusivity of a…

A: The effect of temperature and pressure on molecular diffusivity of species in a binary gas mixture…

Q: One mole of CH4 is burned completely with 20 moles of air. What is the stack (flue) gas composition?…

A: given: 1 mole of CH4  20 moles of air the reaction is CH4(g)+2O2(g)→CO2(g)+2H2O(g)

Q: Coal has the following analysis: carbon = 75%, hydrogen 5%, oxygen 6%, nitrogen = 1.5%, sulfur = 3%,…

A: Coal has following ultimate analysis as given below. C=75%, H=5%, O=6%, N=1.5%, S=3%, H2O=1.5%,…

Q: Determine the GCV and NCV. A smelting plant that extracts copper from ore uses a fuel analyzing 25%…

A: Considering 1 mol of fuel- methanol, CH3OH = 0.25 mol Molecular mass = 32  mass = 32x0.25 = 8 g mass…

Q: Liquid octane at 25°C and 0,1MPa is burned in 96% theoretical air at 25°C. The exit temperature is…

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Q: Molecular bromine is 24 percent dissociated at 1600 K and 1.00 bar in the equilibrium Br₂(g) 2Br(g).…

A: The dissociation equilibrium for molecular bromine is given as:The initial bromine pressure, Initial…

Q: Mn in groundwater A ground water has the following conditions: {Mn2+ (aq)} = 1.0x10 -5 pH = 7.0…

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Q: 1- The following compounds have similar molecular weights. Which has the highest boiling point? A)…

A: Boiling point of the compound increases with the increase in the bond polarity of the molecule or in…

Q: Suppose that the molar enthalpy of a reaction is 53.39 kJ/mol and 14.72 kJ of heat are absorbed by…

A: In the above problem it is given that the molar enthalpy of a reaction is 53.39 kJ/mol Amount of…

Q: * The standard reaction enthalpy for the hydrogenation of propene is -124 KJ/mole. The standard…

A: Given, the standard reaction enthalpy for the hydrogenation of propene is -124 KJ/mole The standard…

Q: 12 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation:…

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Q: determine the solubility of N2 in water exposed to air at 25°c if th

A: Henry's law states that the amount of gas dissolved in a liquid is directed proportional to the…

Q: From the following data for three prospective fuels, calculatewhich could provide the most energy…

A: Given: The density of nitroethane, ethanol, and Methylhydrazine at 20oC is given as follows:…

Q: Calculate the nuclear binding energies, in J/nucleon and MeV/nucleon for the following species: a)…

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Q: One mole of n-butane burns stoichiometrically in air in a combustor such that p / Rho…

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Q: Calculate the solubility of O2 from air which is in equilibrium with liquid water at atmospheric…

A: Solubility of a gas in liquid is the amount of gas that can be dissolved in the liquid at the given…

Q: Determine the standard enthalpy of formation of ethanol (C2 H5 OH) from its standard enthalpy of…

A: The standard enthalpy for the formation of ethanol is to be determined.

Q: When ethanol completely combusts with air, the products are carbon dioxide, water vapor, and…

A: Given Ethanol + Air  →Carbon dioxide+ Water vapor+ Nitrogen Ethanol=1mol Oxidizer have 15% more…