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1. Repeat the above problem for a system of fermions at 290 K for which µ = +0.03eV.
2. Consider a system of fermions and a system of bosons that each have the same spectrum of states. In order to have the same number of particles altogether, which chemical potential must be larger?
five kg of water contained in a piston cylinder assembly expand from an initial state where t1400 degree celsius p1700
Determine the final temperature, the heat transfer rate, and the power produced per unit mass flow rate. Assume the steam is an ideal gas.
a unifrom circular disk which rolls with a velocity v without slipping encounters an abrupt change in the direction of
An electric motor converts electricity to rotating shaft work with an efficiency of 54%. The rotating shaft turns the impeller in the pump which, in turn, increases the pressure of the water (i=1000kg/m3) by 200 kPa. If the motor is consuming 3.5 kW ..
an ideal gas pv mrt is heated at constant volume until its temperature is doubled and then cooled at constant pressure
Medicine. One leukemic cell injected into a healthy mouse will divide into 2 cells in about day. At the end of the day these 2 cells will divide into 4. This doubling continues until 1 billion cells are formed; then the animal dies with leukemic c..
Five kilogram of saturated water vapor at 300 kPa is heated at constant pressure until its temperature reaches 200 oC. Calculate the work done by the steam during this process.
a closed rigid tank whose volume is 1.5m3 contains refrigerant 134a initially a two-phase liquid-vapor mixture at 10
Water in a piston-cylinder assembly, initially at 1 bar and a quality of 65%, is heated at constant pressure until temperature reaches 200 degrees C. The work during the process is +300 kJ.
A plastic was stretched initially from 30 mm to 35 mm and then released at room temperature. The length changes with time were obtained as the following. Assume the Voigt model can be applied for this mechanical behavior.
imagine you have three paper cups. cup 1 is covered with a tissue paper cup 2 with a plain sheet of paper and cup 3
the thermal efficiency of an internally reversible heat engine is 62 percent. the working fluid at 23 degrees c rejects
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