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The common oxidation number for an alkaline earth metal is +2.Aided by the Born-Mayer equation for lattice energy and aBorn-Haber cycle, illustrate that CaCl is an exothermic compound, Use a appropriate analogy to estimate an ionic radius for Ca+. The sublimation enthalpy of Ca(s) is 176 kJ/mol. Depict that an explanation for the nonexistence of CaCl can be found in the enthalpy change of the reaction2CaCl(s) --> Ca(s) + CaCl2(s)
Given the data below for the reaction, 2 A + 2 B + 4 C => D + E + 3 F, Experiment Initial conc of A, mol/L Initial conc of B, mol/L Initial conc of C, mol/L Initial rate, mol/L.s 1 0.1 0.2 0.4 2 x 10-3 2 0.2 0.2 0.4 2 x 10-3 3 0.3 0.4 0.4 4 x 10-3..
What is the total pressure in a 20.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2?
Methylhydrazine, CH6N2, is commonly utilized as a liquid rocket fuel. The heat of combustion of Methylhydrazine is (-1.30E3 kJ/mol). Explain how much heat is released when 205.9 g of Methylhydrazine is burned
What's the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa?
Draw Line structures of each compound a.Benzyl alcohol, benzaldehyde, benzyl acetate b.Aniline,N,N-dimethylaniline, naphthalene c.Benzophenone, Biphenyl, Benzoic acid.
energy content of gasoline is about 46 mjkg or about 37 mjliter. a small car with engine of specified capacity e.g. say
A heat exchanger is used to transfer heat from a steam stream to a chlorine gas stream. 100 kg of steam at 1 bar and 400°C enters the heat exchanger and leaves the exchanger as saturated steam at 1 bar. Chlorine gas enters the exchanger at 1 bar a..
This question about comparing elimination reaction of alkene with sodium methoxide and potassium tert-butoxide. cyclohexane occurs as the cis cycloalkene rather than the trans isomers. explain
In a reaction involving reactants in the gas state, how does increasing the partial pressures of the gases affect the reaction rate
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g.
A compound is found to contain 10.37 % phosphorus, 4.689 % nitrogen, and 84.95 % iodine by weight. What is the empirical formula for this compound
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