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An open ended manometer containing mercury is connected to a container of gas What is the pressure of the enclosed gas in torr in each of the following
A. the mercury in the arm attached to the gas is 15.8 cm higher than in the one open to the atmosphere atmospheric pressure is 0.971 atm Express answer in three significant figures
B.The mercury in the arm attached to the gas is 8.3mm lower than in the one open to the atmosphere atmospheric pressure is 0.96 atm express in two significant figures
Imagine that you took a road trip. Based on the information in the table, what was the average speed of your car
How many grams of sulfur are required to produce 768 grams of sulfur dioxide in the following reaction: S + O2 --> SO2?
One of wavelength 434.2 nm to reach an intermediate level and a second to return to the ground state. What was the wavelength of the second photon emitted
Describe the technique you would use to determine the density of approximately 5 gram samples of the following at 20 degrees celcius and 1 atmosphere pressure:
an aqueous solution of a nonelectrolyte boils at 100.32c. what is its expected freezing
at 30 km above the earths surface (roughly in the middle of the statosphere) the pressure is roughly 0.013 atm and the gas density is 3.74 x 10^23 molecules/m^3 assuming N2 is represetative of the stratosphere using the collisional diameter inform..
a mass of 47.5 g of h2os at 273 k is dropped into 225 g of h2ol at 298 k in an insulated container at1 bar of pressure.
Zinc citrate (Zn_3(C_6H_5O_7)_2) is an ingredient in toothpaste. It is synthesized by the reaction of zinc carbonate with citric acid. 3ZnCO_3(s) + 2C_6H_8O_7(aq) ---> Zn_3(C_6H_8O_7)_2(aq) + 3H_2O(l) + 3CO_2(g).
Given K=6.45x10^5 for 2NO(g)+O2(g)=2NO(g) at 500K, what concentration of oxygen would be needed to maintain equilibrium in a system where NO and NO2 are known to be at equal concentrations.
emitted into the atmosphere. The half-life of krypton-85 is 10.76 years. What fraction remains after 25 years?
A 25.0 ml solution of .0600 M EDTA was added to a 57.0 ml sample containing an unknown concentration of V3+. All V3+ present formed a complex, leaving excess EDTA in solution.
Calculate the volume change upon mixing sufficient ethanol with 8.85mol of water to give this concentration. The densities of water
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