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If 50 mL of water at 22.3 degrees Celsius is mixed with 50 mL of water at 47.7 degrees Celsius in such a way that no heat is lost to the environment, what will be the temperature of the final mixture?
calculate the equilibrium constant keq for the reaction of equimolar amounts of acetophenone and sodium hydroxide to
Perform the calculatons for the extraciton of 100 mg of P in 300mL of water with three 100-mL portions of ether. assume the partition coefficient is 3.5
Derive the rate law, and show that this reaction may follow the first-order equation at high pressures and the second-order equation at low pressures.
For AuCl, Ksp = 2.0 x 10-13 at 25°C. What is the solubility of AuCl at this temperature?
Calculate the pH of this solution. When 0.20 mol of H+ ions is added to the solution what is the pH (assuming volume change is negligible)
the molar mass of air is 29.9g/mole and density of air at these temp. is 1.22 g/L. how much methane do u have to heat the sir from 15 centigarde to 22 centigrade
determine how hot should be the air in a ballon be heated ifnbsp it has initially a volume of 750. l atnbsp the
Calculate the solubility of Ni(OH)2 in a) distilled water and b) at pH of 4.0. Justify your answer. I know I need to use a mass balance ans the reaction for disolution is
how many moles of nitrogen are in 5.3 L container at 1.25 atm and a temp of 85 degrees C.
The reaction between NO2 and CO to produce NO and CO2 is believed to occur via two steps shown below. Step 1: NO2 + NO2 ? NO + NO3
guesstimate the extent of the dipole moment of h2o in debye units treating h2o as three point charges. suppose the o-h
As part of an internship in a petrochemical company you are given the task of identifying the fractions coming off the distillation tower. The current fraction shows a 1H NMR with only peaks for methyl (CH3) and methylene (CH2) groups
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