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(a) The specific entropy of saturated water at 1000e is 1.307kl/kg deg and that of saturated steam at the same temperature as 7.355 k.l/kg deg. What is the specific enthalpy of vaporization at this temperature?
(b) The specific enthalpy of saturated steam at 100°C is 2676 kl/kg, From part (a), calculate the specific enthalpy of saturated water at this temperature.
ozone reacts with nitric oxide discharged from jet planes to form oxygen gas and nitrogen dioxide. 0.740g of ozone
A reaction yields a colored product and the absorbance at a given wavelength increases at 0.2 per minute. The molar absorbtivity of the product is 4.0 ?M-1cm-1. What is the rate of product formation. Use correct units.
calculate the molar concentration required to obtain an osmotic pressure of 10 matm at 25C
Cl2+2KBr yields 2KCl+Br2- how many moles of potassium chloride are produced from 119 g of potassium bromide
The radioactive decay of a certain sample produced 936 disintegrations per minute. Exactly 3.00 days later, the rate of decay was found to be 511 disintegrations per minute. Calculate the half-life, in days, for the decay of this sample.
One of the main components of hard water is CaCO3. When hard water evaporates, some of the CaCO3 is left behind as a white mineral deposit. If a hard solution is saturated with calcium carbonate, what volume of the solution has to evaporate to dep..
Problem- Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KCIO3(s)
A buffer contains 0.010 mol of lactic acid (pKa=3.86) and 0.050 mol of sodium lactate per liter. Calculate the change in pH when 5mL of 0.5M NaOH is added to 1L of the buffer.
if a 190 mg piece of gold density 19.32 rm grm cm3 is hammered into a sheet measuring 2.1times1.0 rm ft what is the
Suppose you wanted to find out how many milliliters of 1.0 M AgNO3 are needed to provide 169.9 g of pure AgNO3.
The weak acid AH4 has how many buffering regions. Can anyone explain how to approach this type of problems
A saturated solution of KClO3 is formed from a 100g of water. If the saturated solution is cooled from a 80 degrees C to 50 degrees C, how many grams of precipitate are formed
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