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Please explain the following technical terms used in mass spectrometry:a) Molecular ion,b) Fragmentation,c) Chlorine isotope pattern.
what xharcyeristic of the spectra did edwin hubble use and how was it used for velocities?
It takes 254kj/mol to eject electron for a certain metal surface. What is the longest wavelength of light that can be used to eject electrons from the surface of this metal via the photoelectric effect.
In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell.
if 1.67l of oxygen reacts with hydrogen gas to produce liquid water how manny liters of hydrogen gas will be needed.
calculate the concentration of sodium formate that must be present in a 0.10 M solution of formic acid to produce a buffer with a pH of 3.80
whats the ph of a solution of 1000 mg of vitamin C (176.1 g/mol) in water (Ka = 8*10^5) diluted to 254 mL
How many grams of sucrose (C12H22O11) must be added to 509 g of water to give a solution with a vapor pressure 0.723 mmHg less than that of pure water at 20 degrees C.
What is the final state of the system when the piston has stopped and there is a balance of forces across the piston? Do not neglect the fact that during motion there may be some friction between moving parts. Consider cases in which the piston is..
The temoerature rose by 3.65C. Next, a small piece of calcium carbonate was placed in the same calorimeter and .100L of dilute HCl was poured over it.
a beaker containing 250g of water is heated from 23 degrees C to 100 degrees C. what is the heat gain in calories?
What is the pE value in an acid mine water sample having [Fe3+] = 6.79E-3 M and [Fe2+] = 4.14E-4 M?
calculate how much CaCN2 is required to form 12.6 moles of ammonia? Given that the percent yield is 65.8%?
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