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

Q: Why is the ionization energy of Ca higher than that of K butlower than that of Mg?

A: It is to be mentioned why the ionization energy of calcium is higher than that of potassium but…

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

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Q: (a) LPG (liquefied petroleum gas) is commonly used in households. It contains 95% propane (C3H8) and…

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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: 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: (a) Effective nuclear charge stays about the same when one goes down a group. (b) Group 17 elements…

A: (a) Effective nuclear charge stays about the same when one goes down a group. FALSE Explanation- In…

Q: 3) The molar heat of formation of NH4NO3 (s) is –367.54 kJ and those of N2O (g) and H2O (I are 81.46…

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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 vapor mixture, 4.652 mol/s, of n-butane and n-hexane containing 50 mole % n-butane at 120˚C and 1…

A: Given, The molar flow rate of the mixture, nF= 4.652 mol/s The mole% of n-butane is 50 mol% The…

Q: QICalculate the heat of reaction for the following reaction:- CO1+4H2 2H,O+CH) at 500 C 2(g) 4(8)…

A: Given that, CO2 + 4H2 → 2H2O + CH4 Standard heat of reaction ∆Hrxno = -39433 kcalmol It is required…

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: 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: Calculate the concentration of vacancies in copper at room temperature (25°C). What temperature will…

A: Concentration of vacancies in copper and temperature at which concentration of copper vacancies…

Q: [Crystallization] One tonne of a 30 % solution of soda ash, Na₂CO3 in water is cooled slowly to…

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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: A binary eutectic lead-tin phase diagram is shown in Figure 2. Consider the case of 300 grammes of a…

A: Eutectic diagrams are drawn for metallic mixtures. These are binary alloys formed from different…

Q: Potassium chlorate, a common oxidizing agent in fireworks and matchheads, undergoes a solid-state…

A: Given the above data T=25oC=298 K balancing the given reaction, 4KClO3→3KClO4+KCl Enthalpy of…

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

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Q: The decomposition of crystalline N,O, N,0,(s) → 2NO,(g) + 0,(g) is an example of a reaction that is…

A: Given: The change in enthalpy and Gibbs-free energy for the given reaction is; ∆Ho = 109.6 kJ/mol∆Go…

Q: 3) The molar heat of formation of NHẠNO3 (s) is -367.54 kJ and those of N20 (g) and H20 (1) are…

A: Note: The reaction given is not balanced properly, the correct reaction is given as follows:…

Q: The fraction of lattice points occupied by vacancies in solid magnesium at 660°C is 10-3 . Compute…

A: Given: The fraction of lattice points occupied by vacancies in solid magnesium at 660°C is NvN10-3…

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: * 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: Cyclohexanol is a highly desired chemical precursor for the production of nylon (billions of…

A: Part (c)The Antoine equation to be used is written below.Here, Pi* is the vapor pressure of the…

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

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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: 1. For Aluminized ANFO derive the following a. Oxygen balanced equation 76. Heat of explosion…

A: (a) Aluminum ANFO is an explosive material that is a combination of Ammonium nitrate NH4NO3, Fuel…

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

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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.