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Please explain the following technical terms used in mass spectrometry:a) Molecular ion,b) Fragmentation,c) Chlorine isotope pattern.
The vapor pressure of pure ethanol is 56 torr. if a solution prepared from 560.0 g of methanol and 210.0 g of ethanol has a vapor pressure of .31 atm over the soultion.
The specific internal energy of helium at 300k and 1 atm pressure is 3800j/mol and the specific molar volumeat thesame temp. and pressure is 24.63l/mol.
A 100.0 g copper sample (specific heat = 0.385 J/goC) at 100.0oC is added to 50.0 g water at 26.5oC. What is the final temperature of the copper-water mixture?
Triethylamine, (ch3ch2)3n, is a liquid that boils at 89C and has a viscosity of about 4 x10^-4 kg/ms. Explain the differences in properties of these two componds.
The addition of H2 to C=C double bonds is an important reaction used in the preparation of margarine from vegetable oils.
Six moles of hydrogen gas at 0 degrees C is forced into a steel cylinder with a volume of 200mL. What is the pressure of this gas
A piece of ice weighs 35.0 g. how much energy is required to heat the ice from a solid at -5.0 degrees C to liquid water at 65.0 degrees C?
A 25.0 mL sample of river water was titrated with 0.0010 M Na2Cr2O7 and required 8.3 mL to reach the end-point. What is the chemical oxygen demand, in milligrams of O2 per liter, of the sample?
what is the volume in milliliters of 20.0 g of acetone if the density of acetone is .791 g/ml?
a sample of oxygen occupies 1.00 x 10^6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held Constant.
After you determine the concentration of the unknown stock solution, you will need to use the density to calculate the % mass of thymol
Draw the mechanism of acetone reacting with 2 equivalents of benzaldehyde. Use the arrow drawing convention to show all bond making
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