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One mole of a gas obeys the van der Waals equation of state (P + a/v2)(v - b) = RT.
This equation, known as the Griineisen relation, plays an important role in solid-state theory.
How much heat is transferred during an isobaric process in which n moles of gas experience a temperature rise from Ti to Tf?
How much heat per mole is transferred during a process in which the temperature changes from 2 to 3 K?
Calculate the volume expansivity ß as a function of T and P.
If the vessel holding the block of copper has a negligibly small thermal expansivity and can withstand a maximum pressure of 1000 atm.
A block of copper at a pressure of 1 atm (approximately 100 kPa) and a temperature of 5°C is kept at constant volume.
Consider a wire that undergoes an infinitesimal change from an initial equilibrium state to a final equilibrium state.
Calculate the change of surface tension with respect to temperature ?,d?/ d?, at 10°C and 60°C .
From the critical point, 5.2 K, down to the ?-point, 2.2 K, of liquid 4He, the surface tension.
How much work would be done if the gas leaked directly into the atmosphere?
Calculate the work done when the pressure of 1mol of an ideal gas is decreased quasi-statically from 20 to 1 atm.
Is the work done during an infinitesimal portion of this process (called an adiabatic free expansion) equal to P dV?
Calculate the work done upon expansion of 1mol of gas quasi-statically and isothermally from volume Vi to a volume vf.
During a quasi-static expansion of a gas in an adiabatic container, the pressure at any moment is given by the equation PV? = K.
How much work is done by the external force in compressing the gas by an amount dV by raising the piston a distance dy?
Develop ten (10) nutritious food activities that encourage good nutrition to use with young children (no older than 5 years old).
How much work is done if the isothermal Young's modulus at 20°C is 1.23 X 1011N/m2?
Show that the work required to blow a spherical soap bubble of radius r in an isothermal, quasi-static process in the atmosphere is equal to 8p?r2.
In a liquid helium cryostat, the resistance is found to be exactly 10000 (ohms). What is the temperature?
A number in the top row represents the pressure of a gas in the bulb of a constant-volume gas thermometer.
The limiting value of the ratio of pressures of a gas at the steam point and at the triple point of water when the gas is kept at constan.
The resistance of a doped germanium crystal obeys the equation log R’ = 4.697 - 3.917 log T.
The resistance of a platinum wire is found to be 11.000O at the ice point, 15.247O at the steam point.
Calculate the empirical temperature when the length of the mercury column is 19.00cm.