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2C8H18+25O2image from custom entry tool16CO2+18H2O, 0.120 mol of octane is allowed to react with 0.890 mol of oxygen. Which is the limiting reactant?
Camphor (C10H16O) melts at 178.4 degrees C and has Kf=37.7 K/m. A sample of unknown substance that weighs .840g lowers the freezing point of 25g of camphor to 170.8 degrees C. What is the molar mass of unknown substance
One mole of acetyl chloride was mixed with one mole of dimethylamine. After the reaction is complete, what species can be found in the mixture? Draw only the organic structures
the heat energy required to melt 1.00 g of ice at 0degc is 333 j. if one ice cube has a mass of 62.0 g and a tray
A sample of oxygen gas collected at a pressure of 0.623 atm and a temperature of 280 K is found to occupy a volume of 634 milliliters. How many moles of O2 gas are in the sample? answer in mol please
What is the change in the boiling point of water at 100C per mm change in atmospheric pressure? The densities of water and steam at 100C are .958 and 5.977 X 10^-4 g/cm^3
Find delta H for HCl(g) given H-Cl bond enthalpy = +431 kJ·mol-1;
The temperature of a 15g sample of lead metal increases from 22oC to 37oC upon the addition of 29.0 J of heat. The specific heat capactiy of the lead is jg*K
estimate the minimum uncertainty in the position of an electron of mass 9.109*10^-31 kg if the error in its speed is 3*10^5 m/s
At a certqain temperature and pressure, one liter of CO2 gas weighs 1.65 g. What is the mass of one liter of N2 gas at the same temperature and pressure
times that of nitrogen gas ( at the same temperature). calculate the molar mass of the unknown gas in g/mol?
The equilibrium constant of the water-gas-shift reaction is 200, and the mole fraction of hydrogen at the outlet is 0.75. Using the extent of reaction method, how much additional steam is fed into the water-gas-shift reactor?
Assume that the only amino acid in a particular protein that absorbs at 280 nm is tryptophan, and that this particular protein has 2 moles of tryptophan per mole of protein.
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