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A 3.00 L flask is filled with gaseous ammonia,NH3. The gas pressure measured at 20.0 degrees C is 1.95 atm. Assuming ideal gas behavior, how many grams of ammonia are in the flask?
calculate the molar mass of a nonelectrolyte that lowers the freezing point of 25.00 g of water to -3.9 degrees celsius
What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 3.0 L of .700 M NH4NO2 decomposes
Blood alcohol content (BAC) is often reported in weight-volume percent (w/v%). For example, a BAC of 0.08% corresponds to 0.08 g CH3CH2OH per 100 mL of blood. In Ontario, and the rest of Canada, the maximum legal BAC for fully licensed drivers is ..
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 86% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 10-12.]
Hydrocarbons containing halogens are very useful molecules in synthetic chemistry. Use tabulated thermodynamic data as needed to calculate
Calculate ?Sºf for oxalic acid and ?Sº for the combustion of one mole of oxalic acid. c) Calculate ?Gºf for oxalic acid and ?Gº for the combustion of one mole of oxalic acid.
What pair of elements would you expect to exhibit the greatest similarity in physical and chemical properties. WHY.
Hospital X-ray generators emit X-rays with wavelength of about 15.0 nanometers (nm), where 1 nm= 10^-9 m. What is the energy of the X-rays
A car travels at 58.0 miles per hour and gets 10.0 kilometers per liter of gasoline. How many gallons of gasoline are needed for a 1.00 hour trip.
Iit decomposes into Cl2 gas and SO2 gas. If 13.5g of SO2Cl2 is initially placed in a 2.20L container at 435K, calculate the concentration of SO2Cl2 at equilibrium. Kc=2.50 * 10^-3
Calculate the expansion work done against a constant external pressure of 0.969 atm and at a constant temperature of 24°C. Assume that the initial volume of dry ice is negligible and that CO2 behaves like an ideal gas.
What is the fractional conversion of ethane. What is the production rate of ethanol
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