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Acetic acid is produced on a large scale by the carbonylation of methanol at about 500 K and 25 bar using a rhodium catalyst. What is K in terms of mole fractions under these conditions?
(standard ?fG for acetic acid gas at 500 K is 335 28 kJ/mol)
Compute the molarity of a solution prepared by dissolving 15.2 grams of CaCl2 in H2O with a solution volume equal to 5.00 x 10² millimeters.
An acid solution is 0.100 M in HCl and 0.190 M in H2SO4.What volume of a 0.150 M KOH solution would have to be added to 550.0 mL of the acidic solution to neutralize completely all of the acid?
Calculate the heat required to raise the temperature of 125 g of water are heated from 20.0oC to 100oC based on a specific heat of water of 4.184 J/g oC.
At 27°C, a sample of sulfur dioxide (SO2) has a volume of 30.0 mL.
A proton in a linear accelerator has a de Broglie wavelength of 155 pm. what is the speed of the proton?
How many grams of O2 are needed to react with 18.5 grams of Mg? 2 Mg(s) + O2(g) → 2 MgO(s)
if your body develops a charge of -20 (microcoulombs), how many excess electrons has it acquired?
A solution of ethanol (C2H5OH) in water is prepared by dissolving 73.2 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution.
sample containing 4.80 g O2 of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole O2 gas is added?
Why is the intercept of a calibration curve of absorbance vs concentration not zero?
what change in the number of moles of Ag occurs in the system? (2)what change in the concentration of Ag occurs in the system?
A 325-mL sample of solution contains 25.3 g of CaCl2, which is fully dissolved. Calculate the molar concentration of Cl- in this solution.
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