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What is the empirical formula of the comound composed of 42.580% carbon, 7.147% hydrogen, and 50.273% chlorine?
If a certain gas occupies a volume of 14 L when the applied pressure is 7.0 atm , find the pressure when the gas occupies a volume of 3.5L.
has a standard free-energy change of -4.00 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively
One compound of mercury with a formula mass of 519 g mol-1 contains 77.26%Hg, 9.25%C, and 1.17%H (with the balance beingO). Calculate the empirical and molecular formulas.
An electrochemical cell was constructed from Sn/Sn2+ and Pb/Pb2+ with KNO3 as the salt bridge. The concentrations were Sn2+ =1.0M and Pb2+ = 0.1M.
what is the lewis dot structure for if6 iodine
In deoxyhemoglobin, Iron atom lies ~0.36 to 0.40 out of the plane of the heme group whereas in oxyhemoglobin it lies of the porphyrine plane. Give reason for this behavious. Talk in terms of coordination number, size and the oxidation state of the..
Calculate the mass percent composition of carbon in each the following carbon compounds. C4H10 C6H10 C8H13O5N
How many grams of hydrogen chloride can be produced from 350 grams of sodium chloride and 290 grams of hyroden sulfate if the reaction has a yield of 88%?
If the volume of ocean water (calculated above) contains 3.7 percent sodium chloride ("salt") by mass and the density of the water is 1.41 g/mL.
According to Charles Law, for a fixed quantity of gas at constant pressure, which of the given quantities is constant? V/T, VXT, or V+T
A sprinter set a high school record in track and field, running 200.0 m in 21.6 s. What is the average speed of the sprinter in kilometers per hour
Determine the pressure inside a container of a gas connected to an open-end manometer filled with CCl4, has the density = 1.594 g/cm3,
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