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IF a gas vessel is attached to an open-end manometer filled with a nonvolatile liquid of density 0.993 g/ml. The difference in heights of the liquid in the two sides of the manometer is 32.2 cm when the atmospheric pressure is 765mmHg. Specified that the density of mercury is 13.6g/ml, what is the pressure of the enclosed gas.
Aniline is a weak organic base with the formula C6H5NH2- the anilinium ipn has the formula C6H5NH3+ and its Ka = 2.3 * 10^-5. a) write the chemical reaction showing the hydrolysis of the anilinium ion. b) calculate the pH of a 0.0400 M of aniliniu..
0.400 L of an aq ethanol solution was diluted to a total volume of 4.00 L by adding water, giving a final concentration of 0.0400 M. What is the concentration of the original solution?
Will a precipitate form when 20.0mL of Pb(NO3)2(aq) with a concentration of 2.50x10-4 mol/L is reacted with 45.0mL of CaCl2(aq) with a concentration of 1.25x10-3 mol/L
what is the function of the baso4 solution as a traditional method of measuring a knife wound in a homicide victims
If 1.68g of Co is mixed under high pressure with 1.78g of H2, what mass of methanol( CH3OH) will be produced
Compare the bond enthalpies of the carbon-carbon single, double, and triple bonds to deduce to an average π bond contribution to the enthalpy. What fraction of a single bond does this quantity represent
Give the steps to prepare the column required for the best purification of 0.40g of crude product using silica
What is the molar solubility of magnesium carbonate ( MgCO3 ) in water? The solubility-product constant for MgCO3 is 3.5 × 10-8 at 25°C.
Why is sodium bicarbonate used instread of sodium hydroxide for the initial extraction
Suppose a piece of silver jewelry contains 6.53×1022 atoms of silver (Ag). How many dozens of silver atoms are in the piece of jewelry. Express your answer numerically in dozens.
a tank of compressed o2 gas is 6.00 ft high and has a diameter of 8.00 in. the tank is filled with o2 to a pressure of
Using Hard-Soft Acid-Base Theory, classify each of the species in the following equilibrium as hard or soft and indicate whether reactants or products will be favored
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