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Calculate the amount of energy (in Kj) necessary to convert 317g of liquid water from 0*c to water vapour at 172*c. The molar heat of vaporization of water is 40.79kj/mol. The specific heat for water is 4.184J/g/*c, and for steam is 1.99J/g/*c. (Assume that the specific heat values do not change over the range of temperatures in the problem)
If 5.00 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
Determine the percent yield for the reaction and also find out at which point the total pressure = 188 torr.
Ephedrine was once used in diet pills that could be purchased without a prescription. Ephedrine is composed of 72.7% C, 9.15% H, 8.49% N, and 9.68% O.
A sample of 1.00 mol of perfect gas molecules, originally at 1.00 atm, with a molar heat capacity at constant pressure of 7/2 R is put through the following cycle:
How many moles of copper atoms were lost? ii. The Faraday constant. iii. The charge of one electron. iv. The mass of one electron.
Calculate the partial pressure of ammonia at equilibrium when a quantity of ammonium idodide in heated to 400 degree C.
Ammonia reacts with nitrogen monoxide to produce nitrogen gas and water vapor. If .240 moles of ammonia react, how many moles of nitrogen monoxide will be consumed?
A rectangular block has dimensions 2.9 cm 4.0 cm 10.0 cm. The mass of the block is 625.0 g. What is the volume of the block?
A 100.0-g sample of water at 27.0 oC is poured into a 77.4-g sample of water at 89.0 oC.What will be the final temperature of the water?
When heated to 350 at 0.950 , ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases.
calculate the volume percent and the proof of the ethanol in the unknown solution based on this mass percent. Use the graph from the Introduction that plots the density of ethanol solutions from 20 to 60 mass percent to answer the following questi..
A student was given a standard Fe(s) | Fe2+(aq) half-cell and another halfcell containing an unknown metal M immersed in 1 M MNO3(aq).
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