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1 answer:
Answer:
Explanation:
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In this case, since the reaction (A->B) have an initial amount of pure 4-aminobenzoic acid, the first step to compute the theoretical yield is to solve the following stoichiometric setup:
Whereas A stands for 4-aminobenzoic acid and B for the benzocaine. Moreover, we compute the percent yield by dividing the actual yield (0.318 g) by the theoretical one (0.365 g):
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Answer:
= 4 * 10-8 = 400 Angstrom
Explanation:
EF = 5 eV, K = 4.29 x 102 J/(s m K), and Cvel = 1% of the lattice heat capacity
K= 1/3 (Cv)*v*l
v is fermi velocity which is equal to
after putting mass of electron as and
we get
is 1% of lattice heat capacity
Heat Capacity of Aluminium is
Density =
For lattice heat capacity you need to use the heat capacity for alimunium given and then multiply with density to get per unit volume term
Heat Capacity per unit volume = *
Cv = 1% of heat capacity per unit volume
Putting values in this equation K= 1/3 (Cv)*v*l
= 400 Angstrom