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Molecular Physics | Thermodynamics
Obtain van der wall's equation of state of real gases. What is the limitations of this equation.?
Molecular Physics | Thermodynamics
0.05 m^3 of gas at 6.9 bar expands reversibly in a cylinder behind the piston according to law pv = constant until the volume is 0.08 m^3. calculate the work done by gas.
Molecular Physics | Thermodynamics
Three moles of an ideal monatomic gas expands at a constant pressure of 3.5 atm; the volume of the gas changes from 3.0*10-2 m3 to 4.0*10-2 m3. (a) Calculate the initial and final temperatures of the gas. (a) Calculate the amount of work the gas does in expanding. (a) Calculate the change in internal energy of the gas.
Molecular Physics | Thermodynamics
a faulty mercury thermometer reads 10 degrees celcius when dipped into melting ice and 90 degrees celcius when on steam at normal atmospheric pressure. what would this thermometer read when dipped into a liquid at 20 degrees celcius
Molecular Physics | Thermodynamics
Define equation of state
Molecular Physics | Thermodynamics
M1=20kg
M2= 750kg
U1= 20m/s
U2= 15m/s
V1= 10m/s
V2= ?
M2= 750kg
U1= 20m/s
U2= 15m/s
V1= 10m/s
V2= ?
Molecular Physics | Thermodynamics
An object 0.04m high is placed in front
of and at right angles to the axis of a
concave mirror which has radius of
curvature 0.15m. If a real image 0.12m
high is obtained, determine by scale
drawing or otherwise,
1. the distance of the object from the
mirror
2. how far, and in what direction, must
the object be moved in order to obtain
a virtual image 0.12m high.
of and at right angles to the axis of a
concave mirror which has radius of
curvature 0.15m. If a real image 0.12m
high is obtained, determine by scale
drawing or otherwise,
1. the distance of the object from the
mirror
2. how far, and in what direction, must
the object be moved in order to obtain
a virtual image 0.12m high.
Molecular Physics | Thermodynamics
Calculate the energy required in joules to raise the temperature of 450 grams of water from 15°C to 85°C. (The specific heat capacity of water is 4.18 J/g/°C)
Molecular Physics | Thermodynamics
9.8g of water vapor condenses on a soda can at 100.0°C.
Given:
Latent heat of vaporization 2260 J/g
Latent heat of fusion 334 J/g
i) State the phase change for the above process.
ii) Identify the formula used to calculate the heat transferred.
iii) Calculate the amount of energy transferred.
iv) Determine whether energy is released or absorbed.
Given:
Latent heat of vaporization 2260 J/g
Latent heat of fusion 334 J/g
i) State the phase change for the above process.
ii) Identify the formula used to calculate the heat transferred.
iii) Calculate the amount of energy transferred.
iv) Determine whether energy is released or absorbed.
Molecular Physics | Thermodynamics
The volume of the pressurised compartment of a jet aircraft is 340.If the pressurised system has to be maintained at temperature of 18 and a cabin altitude of 10000ft when the aircraft is flying 50000 with a complete change of air every minute. Calculate the mass and volume of air per second which must be delivered to the pressurised compartment
