When trying to remove electrons from Be, which of the following sets of ionization energy makes the most sense going from first to
third ionization energy? Explain your answer.
a. First IE 900 KJ/m01, second IE 1750 kJ/m01, third IE 15,000 kJ/mol
b. First IE 1750 KJ/m01, second IE 900 kJ/m01, third IE 15,000 kJ/mol
c. First IE 15,000 KJ/m01, second IE 1750 kJ/m01, third IE 900 kJ/mol
d. First IE 900 KJ/m01, second IE 15,000 kJ/m01, third IE 22,000 kJ/mol
e. First IE 900 KJ/m01, second IE 1750 kJ/m01, third IE 1850 kJ/mol
When trying to remove electrons from Be, which of the following sets of ionization energy makes the most sense going from first to
third ionization energy? Explain your answer.
a. First IE 900 KJ/m01, second IE 1750 kJ/m01, third IE 15,000 kJ/mol
b. First IE 1750 KJ/m01, second IE 900 kJ/m01, third IE 15,000 kJ/mol
c. First IE 15,000 KJ/m01, second IE 1750 kJ/m01, third IE 900 kJ/mol
d. First IE 900 KJ/m01, second IE 15,000 kJ/m01, third IE 22,000 kJ/mol
e. First IE 900 KJ/m01, second IE 1750 kJ/m01, third IE 1850 kJ/mol
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Related questions
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Diamond
a. At 298 K, what is the Gibbs free energy change ïG for the following reaction? Cgraphite -> ï Cdiamond
b. Is the diamond thermodynamically stable relative to graphite at 298 K?
c. What is the change of Gibbs free energy of diamond when it is compressed isothermally from 1 atm to 1000 atm at 298 K?
d. Assuming that graphite and diamond are incompressible, calculate the pressure at which the two exist in equilibrium at 298 K.
e. What is the Gibbs free energy of diamond relative to graphite at 900 K? Assume the heat capacities of the two materials are equal.
f. Diamond is synthesized from graphite at high pressures and high temperatures. The need for high pressure should be obvious from your calculations, but why is the process carried out at high temperature?
DATA
Density of graphite is 2.25 g/cm3 Density of diamond is 3.51 g/cm3
Delta Hf(298K) | So(298K) | |
Diamond | 1.897 kJ/mol | 2.38 J/(K mol) |
Graphite | 0 | 5.73 J/(K mol) |
ïHf(298 K)S0
298 K
Diamond 1.897 kJ/mol 2.38 J/(K mol)
Graphite 0 5.73 J/(K mol)