Use the bond dissociation energies in Table 7.2 to calculate an approximate Delt
ID: 931434 • Letter: U
Question
Use the bond dissociation energies in Table 7.2 to calculate an approximate Delta H_f degree in kJ for the reaction of ethylene with hydrogen to yield ethane. H_2 C = CH_2 (g) + H_2 (g) rightarrow CH_3 CH_3 (g) Oxygen is sold in a 49.0L steel container at a pressure of 150 atm. What volume in Liters would the gas occupy at a pressure of 1.02 atm if Temperature and # of mol of the gas remained constant? What volume in Liters would the gas occupy if the temperature was raised from 20 degree C to 35 degree C at constant n and pressure 150 atm?Explanation / Answer
VII)
A) v2 = P2V2/P1
= 150*49/1.02
= 7205.9 L
B) V2/T2 = V1/T1
49/293.15 = V2 / 308.15
v2= 51.5 L
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