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Compute the boiling point of an aqueous solution containing 121.5 g of copper (II) chloride as well as 4.50E2 g of water. State the boiling point elevation constant for water is 0.512 C/m.
10.0 moles of NH3 and 10.0 moles of H2 are introduced into a 2.00 L flask. At equilibrium, 3.0 moles of NH3 gas remain. Calculate Kc for this reaction.
if the pressure of a gas sample is quadrupled and the absolute temperature is doubled by what factor does the volume of
At the same temperature and pressure, explain what is the maximum volume of carbon dioxide that can be obtained from 5.65 x 102 L of ethane and 2.26x103 L of oxygen
It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath. To what temperature (oC) will the oil bath need to be heated to first open the safety valve?
The IR spectrum of HCN shows 3 absorption bands at 3312 cm^-1, 2089 cm ^-1, and 712cm^-1. From this info alone can you deduce whether HCN is linear or not? Explain.
signs made from glass tubes filled with _________ and argon gases can light up when electricity is passed through them.
How many moles of CO(NH2)2 are present in 145 g of water, if the freezing point of the solu- tion is -4.02?C? kf (water) = 1.86 K · kg/mol.
Calculate the pH of a 0.42 M solution of sodium acetate, CH3COONa. (Ka(acetic acid) = 1.8 x 10-5 )
at 80c the vapor pressures of pure liquids x y and z are 385 190 and 66 mmhg respectively. what pressure must be
If the exhaust rate is 80 m 3 per minute, what is the CO emission in grams per kilometer?
What is the mole fraction of 1.98 m Fe(NO3)3 (aq). The molar mass of Fe..=241.9g/mol and the molar mass of H2O is 18.02 g/mol
An unidentified organic compound X, containing C,H, and O was subjected to combustion analysis. When 228.4 mg of pure X was burned 627.4 mg of CO2 and 171.2 mg of H2O were obtained.
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