Answer:
The statements that are true about an ideal solution of two volatile liquids are:
A. The partial pressure of each component above the liquid is given by Raoult's law.
C. An ideal solution of two volatile liquids can exist over a range of pressures that are limited by the pressure for which only a trace of liquid remains, and the pressure for which only a trace of gas remains.
Explanation:
The statements that are true about an ideal solution of two volatile liquids are:
<u><em>A. The partial pressure of each component above the liquid is given by Raoult's law.</em></u>
In ideal solutions, the total vapor pressure can be calculated based on Raoult's law, which states that:
<em>"The partial pressure Pi of a component in a solution at a given temperature is equal to the vapor pressure of the pure substance (Pi) multiplied by its molar fraction (xi) in the solution"</em>, then:
Pi = xi · Pisaturation
where:
• Pi: Pressure of i in liquid state.
• xi: Molar fraction of component i.
• Pisaturation: Vapor pressure of component i.
The total vapor pressure (PT) of a mixture is equal to the sum of the partial vapor pressures (Pi) of each component. Then, for a mixture of two pure liquids A and B the total pressure will be:
PT = xA · PAsaturation + xB · PBsaturation
<u><em>C. An ideal solution of two volatile liquids can exist over a range of pressures that are limited by the pressure for which only a trace of liquid remains, and the pressure for which only a trace of gas remains. </em></u>
In an ideal solution, the vapor pressure depends linearly on the molar fraction. The attached graph shows the linear realization mentioned for an ideal solution of two components at constant temperature.
In the graph you can see that option c is true.
Explanation:
(a) Given that,
Area of a parallel plate capacitor,
The separation between the plates of a capacitor,
The dielectric constant of, k = 2.1
When a dielectric constant is inserted between parallel plate capacitor, the capacitance is given by :
Putting all the values we get :
(b) We know that the Teflon has dielectric strength of 60 MV/m,
The voltage difference between the plates at this critical voltage is given by :
or
V = 0.6 kV
Answer:
Explanation:
Suppose
Magnitude of Electric Field is E V/m
Area of the cross-section is A
capacitor
Distance between Area of capacitor is d
Maximum Charge stored is
Answer:
The oscillation frequency of the spring is 1.66 Hz.
Explanation:
Let m is the mass of the object that is suspended vertically from a support. The potential energy stored in the spring is given by :
k is the spring constant
x is the distance to the lowest point form the initial position.
When the object reaches the highest point, the stored potential energy stored in the spring gets converted to the potential energy.
Equating these two energies,
.............(1)
The expression for the oscillation frequency is given by :
(from equation (1))
f = 1.66 Hz
So, the oscillation frequency of the spring is 1.66 Hz. Hence, this is the required solution.