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The energy necessary to generate a dislocation is proportional to the square of the length of the burgers vector.IbI^2, this relationship means that the most stable dislocations have the minimum length. for the fcc metal structure, calculate(relative to Eb=[110]) the dislocation energies for (a) Eb=[111] and b)Eb=[100]
The pK value of the system is 6.1. If the [CO2] is expressed in terms of partial pressure and equals 1.3kPa and the bicarbonate concentration is 2.2 x 10^-3 M, what is the pH of the solution.
The decomposition of hydrogen peroxide to gaseous O2 and water is a spontaneous process, yet H2O2 is stable for long periods of time. Explain
Glycine is the simplest of the amino acids. Treat the amine and carboxylic acid groups as functional groups as independent functional groups.
The solid and toluene together weigh 58.82g . The density of toluene at the temperature of the experiment is 0.864 g/mL. What is the density of the solid
Treatment of 2-ethyl-1-butene with H30+/H20 leads to three dimerization products of the formula C12H24. Draw the structures of all three.
A flask containing a mixture of NH3(g) and CH4(g) is cooled. At -33.3 degrees celcius a liquid begins to form in the flask. What is the liquid? NH3(g) or CH4(g)
the half life increased from 2.0 min to 4.0 min at 25C. Calculate the the order of the reaction and the rate constant.
calculate an approximate heat of reaction for the combustion of one mole of methane gas ch4 to form gaseous h2o and
What is the enthalpy change when 100g of water at 50degrees celsius turns into ice at -30 degrees celsius. Specific heat: Ice= 2.09 J/g * K, Water= 4.18 J/g * K, Steam= 1.84 J/g * K Water ?Hfusion= 6.01 KJ/mol and Hvaporization= 40.67 KJ/mol
the volume of a gas is 93 mL when the temperature is 91C. If the temperature is reduced to 5C without changing the pressure, what is the new volume of the gas?
A 0.050 M H2S solution contains 0.15 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS
A student following the procedure described in this module collected the foll wing data: Mass Mg, m= 0.0243, initial syringe volume, ml=1.0, final syringe volume,ml= 26.5, barometric pressure, torr= 754, temperature,k= 298. Calculate the gas law c..
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