Chemistry, 23.10.2019 17:00 angelica19carmona
When 5.00 mol of benzene is vaporized at a constant pressure of 1.00 atm and at its normal boiling point of 80.1°c, 169.5 kj are absorbed and pδv for the vaporization process is equal to 14.5 kj.
what is the change of internal energy?
what is the change of enthalpy?
is the change in entropy positive or negative for this process?
if the pressure would be only ½ atm, what are the changes of internal energy and enthalpy during vaporization (approximately)?
how much energy is absorbed?
write the definition of the gibbs free energy.
at the lower pressure, will the boiling point be higher or lower.
Answers: 3
Chemistry, 22.06.2019 15:30, vivianfling
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
Answers: 1
Chemistry, 22.06.2019 17:20, phanuel642
The small bags of silica gel you often see in a new shoe box are placed there to control humidity. despite its name, silica gel is a solid. it is a chemically inert, highly porous, amorphous form of sio2. because water vapor readily adsorbs onto the surface of silica gel, it acts as a desiccant. despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided you should be able to make an educated guess about the thermodynamic characteristics of the process. predict the signs for δg, δh, and δs for the adsorption of water.
Answers: 2
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