Which statement about relative humidity is false? a. ratio of actual partial pressure of water to its equilibrium partia
Posted: Mon Jul 11, 2022 1:17 pm
Which statement about relative humidity is false?
a.
ratio of actual partial pressure of water to its equilibriumpartial pressure
b.
rises when the temperature increases and the actual partialpressure of water is constant
c.
reaches 100% at the dew point
d.
indicates the level of water vapor in the atmosphere
e.
the actual partial pressure of water can equal the equilibriumpartial pressure
Which statement about heat of fusion and heat of condensation iscorrect?
a.
There is no general relationship between these two quantitiesand the values depend on the substance involved.
b.
The heat of fusion is always less than the heat ofcondensation.
c.
The heat of fusion is exactly equal to the heat ofcondensation.
d.
The heat of fusion represents the heat released when a gasbecomes a liquid, and the heat of condensation represents the heatrequired for a liquid to become a gas.
e.
The heat of condensation is equal in magnitude but opposite insign when compared to the heat of fusion.
Which of the following is/are properties of supercriticalfluids?
I.
Supercritical fluids have densities similar to gases.
II.
Supercritical fluids have flow properties similar toliquids.
III.
Supercritical fluids are used as solvents.
a.
ratio of actual partial pressure of water to its equilibriumpartial pressure
b.
rises when the temperature increases and the actual partialpressure of water is constant
c.
reaches 100% at the dew point
d.
indicates the level of water vapor in the atmosphere
e.
the actual partial pressure of water can equal the equilibriumpartial pressure
Which statement about heat of fusion and heat of condensation iscorrect?
a.
There is no general relationship between these two quantitiesand the values depend on the substance involved.
b.
The heat of fusion is always less than the heat ofcondensation.
c.
The heat of fusion is exactly equal to the heat ofcondensation.
d.
The heat of fusion represents the heat released when a gasbecomes a liquid, and the heat of condensation represents the heatrequired for a liquid to become a gas.
e.
The heat of condensation is equal in magnitude but opposite insign when compared to the heat of fusion.
Which of the following is/are properties of supercriticalfluids?
I.
Supercritical fluids have densities similar to gases.
II.
Supercritical fluids have flow properties similar toliquids.
III.
Supercritical fluids are used as solvents.