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Calculate the density of Al in g/cm3, given that it forms an FCC crystal structure with an atomic radius of 0.143 nm (10-7 cm) and a mass of 27 g/mole. Avogadro’s number is 6.02 x 1023 atoms/mole.
Hint: calculate the number of atoms in each cell carefully.
consider a compressor that receives saturated r-410a vapor at 0degc. the refrigerant leaves the compressor with a
Atmospheric air at a pressure of 1 atm and dry-bulb temperature of 90F has a wet bulb temp of 85F. Using the psychometric chart, determine (a) the relative humidity, (b) the humidity ratio, (c) the enthalpy, (d) the dew point temp and (e) the water v..
a 4 m3 storage tank containing 2 m3 of liquid is about to be pressurized with air from a large high-pressure reservoir
a heat engine is operating on a carnot cycle and has a thermal efficiency of 55. the waste heat from this engine is
A 1200 kg car is travelling at a high rate of speed (V0) as it reaches the summit of a small hill that can be approximated by the equation y=1.25sin(0.3x)+cos (0.07x)-5 from x= 0 to 50m. At the summit of the hill a deer runs in front of the car, and ..
a supply of 5 kgs ammonia at 500 kpa 20degc is needed. two sources are available one is saturated liquid at 20degc and
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A micro channel 10 µm tall, 50 µm wide, and 2 cm long is used for analysis of bradykinin, a small peptide with a molecular weight of 1.06 kDa (1 Da = 1 g/mol). What is the morality of the bradykinin sample (i.e. convert µg/mL to M)?
What tube diameter is required for the model if dynamic similarity is to be maintained between model and prototype?
derive the scaling relation for the strain energy release rate of crack extension under fixed displacement. clearly
explain in your own words what standard deviation is and why it is useful when describing experimental data. 2. what
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