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How do I find pressure exerted in the closed end of an apparatus if the atmospheric pressure is 720.0 torr and the height of the water column is 22.3 cm?
Caffeine, C8H10N4O2, is a stimulant found in tea and coffee. A sample of the substance was dissolved in 41.5 g of chloroform, CHCl3, to give a 0.0940 m solution.
how many grams of NH3 will be produced? Which reactant remains in excess, and in what mass?
which type of bond has one pair of electrons shared between atoms? a) single covalent b) coordinate covalent c) double covalent d) metallic
The heat capacity of liquid water 4.18 J/g degree celcius and the molar heat of vaporization 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67 degree celcuis into 1.00 g of steam at 100 degrees celci..
Calculate the distances NH# gas and HCL gast would travel in this experiment if a 100.0-cm tube were used, based on the accepted molar masses of the two gases.
Check all that apply Water is important to life because: - it does not dissolve certain substances - it causes brownian motion - it is colorless and odorless
If you fill the larger tank with oxygen to a pressure of 135 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
The four major attractive forces between particles are ionic bonds, dipole-dipole attractions, hydrogen bonds, and dispersion forces. Consider the compounds below
Determine the partial pressure of Ar, argon gas in the flask and A flask is filled with 1.20 of argon Ar gas at the temperature of twenty five degree Celsius.
The presence of the carbon-carbon double bond in eugenol can be tested using the bromine water test. write a balance equation for the reaction involved in this test?
how did rutherford interpret the observation that only a very few of the a particles were scattered by the gold foil
Calculate the heat of solution, DeltaH_soln, of KCl. Assume that the specific heat of the solution is identical to that of water, 4.18 J/(g/C).kj/mol
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