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At 850K the value of the equilibrium constant K(pressure) is 0.2230. If a sealed vessel contains an initial reaction mixture of N2 = 0.0100M, H2= 0.0200M and N2H2= .000150M what will N2H2(M) be when equilibrium in reached.
N2(g) + H2(g) <--> N2H2(g)
Compound Y has a solubility of 2.0 g/100 mL in water and 20.0 g/100 mL in ether. What weight of compound Y would be removed from a solution of 1.8 g of Y in 100 mL of water by a single extraction with 100 mL of ether?
The difference between these forces is why some solids dissolve by an exothermic reaction (release heat), while other solids absorb heat and cool the solution. For an ionic solid dissolving in water, briefly identify the attractive
Calcium carbide, CaC2, reacts with water to form acetylene. CaC2(s) + 2 H2O(l) -> C2H2(g) + Ca(OH)2(s)
Make a flow chart on how a mixture of phenol, benzoic acid, p-nitroaniline and anthracene can be seperated by extraction
Calculate the values for T (in K), w, delta U, and delta S. Neglect PV quantities for water and assume ideal behavior for water vapor.
Standard potentials measured against the standard hydrogen electrode, Standard potentials are measured against the standard hydrogen electrode (S.H.E.). Because it is not always convenient to use a S.H.E
If a 210 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.5 x 1.0 ft , what is the average thickness of the sheet in meters?
A solution made by adding 105g of NaCl to 1 kg of water freezes at 20 degrees F (-6.7 degrees Celsius). Calculate the mass of CaCl2 that would lead to the same freezing point depression
The total pressure of the container after the water condenses (5C) is .857 atm. What are the partial pressures of the 4 gases at 5C. e)What was the temperature of the container in Kelvin before it was cooled to 5C?
What is the concentration (in mg/L) of dissolved O2 in blood (or water) at this partial pressure and a normal body temp of 37 C? The solubility of O2 in water at 37 C and 1 atm partial pressure is 1.93 x 10^-3 mol/L.
Calculate the final temperature for 225 g of water, which starts at 20 degree Celcius , after 0.75 grams of biodiesel have to be burned to heat the water
Describe the impact of time of exposure on the amount of radiation you receive. If you are exposed for three times as long do you feel 1/3 the amount of radiation, three times the amount of radiation
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