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A cylinder of compressed gas rolls off a boat and falls to the bottom of a lake. Eventually it rusts and the gas bubbles to the surface. A chemist collects a sample of the gas with the idea of trying to identify the gas. The wet gas collected occupies a volume of 275 mL at a pressure of 738 torr and temperature of 28.0oC. The vapor pressure of water at 28.0oC is 0.0372 atm.
1. Calculate the volume (L) that the gas occupies after it is dried (the water vapor removed) and stored at STP
The mass of the dry gas is 872 mg. A fragment of the tank indicates that the gas is a monoatomic element.
2. Write out the full name of the gas.
Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force
What mass of silver chloride can be prepared by the reaction of 130.0 mL of 0.15 M silver nitrate with 190.0 mL of 0.30 M calcium chloride?
The density of ethanol is 0.7893 g/mL. Calculate the maximum work that could be obtained by burning 1.000 gallon of liquid ethanol
In the reaction of noroborene to noroborenol, the exo, and endo forms are created. Why exactly is the exo form favored over the endo form
The equilibrium constant kp for the following reaction is found to be 4.31 *10^-4 at 375 degrees C. N2(g)+3H2(g) 2NH3(g) Calculate the partial pressures of all species when equilibrium is reached.
What is the concentration of glucose in the original sample? In moles/liter? And in mg%?
What will be the value of E cell and E0 cell when the Cu/Zn battery has "run down" I.e., reached equillibrium? Also will the concentrations of Zn2+ and Cu2+ be large or small when the battery has "run down"? Does this make sense?
Draw all possible isomers for the molecule having the formula C7H7C1. The molecule contains one benzene ring.
If a mixture of 41.25 g of aluminum and 58.83 g of oxygen reacts, what mass of aluminum oxide can be formed?
It is heated so that its pressure increases from 1.50 atm to 407 atm. Determine the work done on the gas during this process.
Which solution will have the lowest boiling point?
When 338 g of Bi2O3 reacts with excess carbon, how many moles of Bi2O3 react?
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