When a gas collected over water
What is the pressure of the gas when a gas collected over water at the 25.0degrees Celsius. Vapor pressure of water at 25.0 degrees Celsius is equal to 23.8mmHg. The atmospheric pressure is 745.ommHg.
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Determine the empirical formula when compound A is branched and optically active and contains the C, O, and H. A 1.00 g sample burns in excess the O2 to yield 2.5g CO2 and 1.23 g of H2O.
Calculate the purpose of washing the combined methylnechloride layer with the water? How did you dry the ethylene chloride layer after the water wash?
When placed into calorimeter with 25.00mL of water at 23.0 degrees Celsius the temperature of raised to 27.0 degrees Celsius a metal that weighs 5.75g is 50.0degrees Celsius.
What volume will it occupy at a pressure of 700.0mm HG and at a temperature of 25.0 degrees Celsius if a gas occupies 250.0ml at STP?
Assume the correlation, r, between two variables x and y is -0.44. What would you predict about a y value if the x value is 2 standard deviations above its mean? It will be 0.88 standard deviations above its mean.
Discuss how much butane is present as a liquid? If the butane is warmed to 25degrees C, describe how much is present as a liquid? Butane (C4H10) has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -0.4 degrees C.
Calculate the molecular formula of the compound. A compound of P and F was analyzed as follows: Heating 0.2324 g of the compound in a 378 cm3 container turned all of it into gas, which has a pressure of 97.3 mmHg at 77 degrees Celsius.
Find out the molarity of a sodium van date (Na3VO4) solution if 35.6mL of the solution are required to titrate a 0.659g sample of pure potassium sulfite ?
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