Molar enthalpy of vaporation for water
Water boils at 373 K.The molar enthalpy of vaporation for water is 40,7 kJ/mo1.If one mole of water is at 373 K when it starts to boil its temperature when it all has boiled will be?
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Calculate the volume of oil spilled in L and in barrels and calculate the percentage the total of the oil spill was compared to daily use in the USA. (c) If all of this carbon were converted to CO2, what volume in m3 would it occupy at atmospheric
What is a beach profile that will provide protection to the infrastructure fronting a beach, is it a wide well profiled beach or a similar width, wide 2 meter high horizontal sand plateau renourishment.
A pn-junction is uniformly doped and has dopant concentration of NA = 4 x10^16 cm^-3 in the p-region at 300K. At zero bias, 20% of the total space charge region (W) is extended in the p-region.Calculate Vbi, ND, W, xn and xp. Given that ni = 1.8 x
If you had a saturated solution of NaNo3 at 40 degrees Celsius that contained 85 grams of water, how much of the salt would you need to add to have a saturated solution at 70 degrees Celsius?
Calculate the mass of propylene glycol that must be added to .360 kg of water to reduce the vapor pressure by 2.87 torr at 40 degrees celsius (Ph20 at 40 degrees = 55.3)
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A full revolution press has 100 rpm flywheel rotation. The press is equipped with tow hand trip devices mounted on the machine at a distance of 20 inches from the point of operation.
If a bottle of nail polish remover contains 172mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788g/mL .
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