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A tank contains a mixture of H2 and Ar gases. If the temperature is 22 degrees C, the total pressure in the tank is 3.50 atm, and the density of the gas in the tank is 1.17 g/L, what is the partial pressure of H2?
What is the difference between the molecular geometry
what type of salt does copper oxide produce?
What would you expect to observe when adding one drop of iodine-potassium iodine reagent to each of the four carbohydrates?
A sample of H½O with a mass of 46.0 grams has a temperature of -58.0 C. How many joules of energy are necessary to melt 46.0 grams of ice? (Use 2.1 J/g.C for the specific heat of ice, and 334.4 J/g for the heat of fusion of water.)
List the different strengthening mechanisms and identify the ones that would not apply to pure elemental materials
Calculate the mass of one oxygen atom and determine the number of oxygen atoms in a 10.00g sample of the element.
What is the Kb of C5H5N? The pH is 10.82 and the amount of C5N5N is 1.0X10^-3
How many moles of steam are produced at 2.00 atm and 202.0 by the complete combustion of 12.50 L of methane gas?
A 4.70 g nugget of pure gold absorbed 285 J of heat. The initial temperature was 24.0°C. What was the final temperature.
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide.
At a temperature of 435C and a pressure of 715 mmHg, how many grams of NH3 can be produced when 4.50 L of NO2 react?
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