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Did the aroma molecules distill off; did the coloured molecules distill off? What do these results tell us about the difference in molecular mass between the aroma molecules and the colour molecules? In the lab there were both an 80C and a 100C distillate
When a metal was exposed to light at a frequency of 4.54× 10^15 s-1, electrons were emitted with a kinetic energy of 3.10 × 10^-19 J.
Calculate the equilibrium constant for the reaction - flask at a certain temperature according to the reaction
calculate the specific heat of a substance if a 35 gram sample absorbs 28 joules as the tempature is raised from 292 kelvin to 313 kelvin.
When polymerization of a protein is complete but the protein is still completely linear, what is the highest level of structure that has been completed?
If 20.8 ml of base is required to reach the equivalence point, what is the concentration of the acid?
A sealed container holding 0.0255 L of an ideal gas at 0.999 atm and 67C is placed into a refrigerator and cooled to 45C with no change in volume. Calculate the final pressure of the gas.
If all connections in the apparatus are not airtight and some hydrogen gas escapes during the reaction
The polymerization rate DP are proportinal to the first power of monomer concentration. What would be the effect of monomer concentration on DP in the thermal polymerization of styrene?
A soft drink contains 35 mg. of sodium in 315g. of H2O. What is the concentration of sodium in the soft drink in mass percent?
producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
A mixture of gases contains 7.5g hydrogen and 29.6 nitrogen with a total pressure of 127 torr. Calculate the solubility of nitrogen gas
explain the hazards associated with 1.0M CH3COOH solution, 0.10M BaCl2 solution and 0.10M Na2C2O4 solution.
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