At what temperature will the pressure be one atm
A metal container holding xenon gas (Xe) has a pressure of 458 torr at 20 degrees celcius. At what temperature will the pressure be 1.00atm?
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A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100.- g sample of this compound. What are the subscripts in the empirical formula of this compound?
A solution is made by dissolving 26.42g of (NH4)2SO4 in enough H2O to make 50.00mL of solution. What is the molar mass of (NH4)2SO4?
determine the total number of moles of oxygen that react completely with 8.0 moles of C2H6.
A graduated cylinder contains 138 of water. A 12.0 piece of iron (density = 7.86 ) and a 22.0 piece of lead are added. What is the new water level in the cylinder?
An unknown sample of N2+ gave a current of 2.36µA in an electrochemical analysis. When 0.500 mL of solution containing 0.0287M N2+ was added to 25.0 mL of unknown, the current increased to 3.79 µA.
According to the following reaction, how many moles of nitrogen gas will be formed upon the complete reaction of 0.646 moles nitrogen monoxide with excess hydrogen gas?
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