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Suppose a student plotted the pressure of propane in atm (y-axis) versus the volume of propane in mL (x-axis). What shape do you expect the graph to have?
draw the structures of methyl salicylate and say what evidence indicates that methyl salicylate was formed. draw the
question a buffer solution is prepared by adding 0.125 mol of ammonium chloride to 500 ml of 0.500 m solution of
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 50.0 mL of HNO3. The Kb of NH3 is 1.8 × 10-5.
the hydrogen gas formed in a chemical reaction is collected over water at 30 degrees celsius and a total pressure of
1) You have 100 ml of a solution of ATP. You take 50 µl, and dilute it to a final volume of 2000 µl. The absorbance of the diluted solution at 259 nm is 0.520.
In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175 atm. Calculate K for the reaction.
some people like to pour beer gently down the side of the glass to preserve bubbles.nbsp others splash it down the
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 5 state to the n = 3 state
use standard reduction potentials to find the equilibrium constant for the following reaction at 25 degrees C.
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron
How many moles of sodium chloride are present in the original solution. How many moles of ammonia are present originally
What is the volume of the balloon?
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