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What is the gauge pressure of the gas in this mercury manometer if h = 53 mm and the atmospheric pressure is 781 mmHg?
What is the absolute pressure of the gas?
What is the final concentration of a solution made from 7.8 mL of 0.92 M CuSO4 and 14.5 mL of water?
To determine the empirical formula of ester, 1.02g of the ester was burnt completely in excess oxygen. The only products formed were 2.20g of carbon dioxide and .90g water vapor. Calculate the mass of oxygen in 1.02g of the compound.
Comment of the fact that erythro-2,3-dibromo-3-phenylpropanoic acid undergoes elimination by an E1 pathway in water solvent, but by and E2 pathway when acetone is used as the solvent.
At the equivalence point of the titration of formic acid by NaOH, the pH of the solution is around 8 - 10. What would be a good indicator
The reaction is first order, and the rate constant is 6.70x10^-4 s^-1. If the initial concentration of cyclopropane is .0577 M, what is the molarity of it after 37.2 minutes?
If 30.0 L of oxygen gas is cooled from 473 K to 274 K at constant pressure, what is the new volume of oxygen
Why are the crude ester mixtures washed with aqueous NaHCO3?2. You wish to test 9 esters for antitumor activity. One and only one of the 9 esters will actually have antitumor activity. You will prepare the esters from an alcohol and an acid as was..
A mixture of N2 and O2 gases are in a 2.0L container at 23 degrees C and at a total pressure of 1.00 atm.
What is a catchy, orignal slogan for the element neon that describes one of its important uses?
Oxygen and sulfur combine to form a variety of different sulfur oxides. some are stable molecules and some, including S2O2 and S2O3
If an automobile is able to travel 242 mi on 12.0 gal of gasoline, what is the gas mileage in km/L
Determine whether sodium monohydrogen phosphate (Na2HPO4) is neutral, basic, or acidic. First, what is its Ka when it acts as an acid? Second, what is its Kb when it acts as a base?
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