Which chemical name is correctly paired with the chemical formula?
1 answer:
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Explanation:
It is given that vapor pressure of liquid iodomethane is 40.0 mm Hg. So, if we calculate the vapor pressure according to the given values and if its value will be greater than the the given vapor pressure of iodomethane then it means that some of the vapors has converted into liquid state.
As the given values are as follows.
= 72.0 mm Hg,
= 404 K
= ? ,
= 249 K
As volume is constant so, according to Gay-Lussac's law pressure is directly proportional to temperature.
(at constant volume)
or, = k
Therefore, the formula to calculate the value of is as follows.
=
=
= 44.37 mm Hg
As calculated vapor pressure is more than the given vapor pressure. Hence, the liquid will convert into gas.
As a result, no condensation will occur and only vapors of iodomethane will be present.
The kinetic energy formula is;
The variable represents the mass. Its unit is kilogram. We are informed that the mass of the object is
. The variable
represents the linear velocity. Its unit is meter per second. We are informed that the linear velocity of the object is
. Let's find the kinetic energy of the object by substituting these values in the formula.