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An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 5.50 of this compound produced 8.07 of carbon dioxide and 3.30 of water. How many moles of carbon C, were in the original sample? How many moles of hydrogen H, were in the original sample
the usefulness of the addition of an internal retention time standard that elutes near the end of the chromatogram
A turbine operates by the impact of a high velocity jet of steam against the turbine blades. The steam leaves the turbine at a lower velovity.
what volume of a 0.500 M HCL solution is needed to completely neutralize 10.0ml of a 0.200M Ba(OH)2 solution
Gibbs free energy of formation for ammonia is -3.9 kcal/gmole and the standard heat of formation for ammonia is -10.96 kcal/gmole. Find the fugacity coefficient at the reaction conditions and calculate the effect of it on the reaction conversion.
Consider the reaction 2KClO_3(s)\rightarrow 2 KCl(s)+3O_2(g) and the following table of values: Substance Delta G (kJ/mol) KClO_3(s) -296.3 KCl(s) -409.2 O_2(g) 0 State whether it would be worthwhile to investigate finding a catalyst to use in thi..
The largest estimate for the amount of water on the moon is currently 1000parts per million (i.e 1000g water per 1000000g of salt). if the moon is made primarily of a pyroxene mineral with formula Fe2Si2O6 what is the "formula" of the hydrate with..
An object is made up of copper and zinc. The mass of the object is 46.2652g and has a density of 9.25 g/cm^3. What percentage of the object is copper. What percentage is zinc
At a given temperature,0.0500 mol NO, 0.200 mol Cl2, and 0.550 mol CINO were placed into a 1.00 L container. The equilibrium below was established and 0.250 mol of CINO is present. Determine the equilibruim constant (Kc).
A major source of iron is from the mineral magnetite which is 72.4% iron by mass. If magnetite has a density of 5.20 g/cm3, how many cubic meters
Ionizable protons are in rapid equilibrium and so you can think of an amino acid having a relative charge between 0 and 1. Plot the relative charge of glutamate as a function of pH
How long would it take for 1.50 mol of water at 100.0 0C to be converted completely into steam if heat were added at a constant rate of 19.0 J/s?
Kim Pupil performed this experiment and prepared a plot of lnP versus 1/T with a temperature scale ranging from 1/273 K to 1/353K.
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