To make specific comparison with experimental data, consider the cases of aluminum (Al) and lead (Pb). For each metal, plot the theoretical heat capacity C per atom (not per oscillator) vs. T, with dots showing the actual experimental data. By trial and error, adjust the interatomic spring stiffness ks until your calculations approximately fit the experimental data given in the attached vpython shell. In trying to fit the data, ignore the lowest-temperature data, where electrons in the metal make a significant contribution that is not included in the Einstein model. (a) What values of ks, obtained by trial and error, give good fits for aluminum and for lead
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Chemistry, 22.06.2019 03:30
At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k
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What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers
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Chemistry, 22.06.2019 14:30
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2
Answers: 3
Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
To make specific comparison with experimental data, consider the cases of aluminum (Al) and lead (Pb...
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