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Assuming that P and T are known, which of the following measurements on gas samples would directly yield the information on molecular weight of the gas molecules?
A) change of pressure when the temperature is doubled at constant volume
B) change of volume when the temperature is doubled at constant pressure
C) deviation of pressure from the ideal gas law at constant temperature
D) volume of gas at known pressure and temperature
E) density of gas at known pressure and temperature
The lethal inhalation dose of sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.
A protein biochemist attempted to determine the amino acid sequence of a decapeptide. Use the results from the trypsin, chymotrypsin, and cyanogen bromide treatments to suggest the amino acid sequence of this decapeptide.
What are the coefficients of the reactants and products in the balanced equation above? Remember to include H2O(l) and H+(aqu) in the appropriate blanks.
Later in the day, 30% of the glycogen is released and runs through glycolysis and the TCA cycle and 40% of gthe glycogen is released to be used in the hexosemonophosphate shunt pathway to create five carbon sugars
Give a step by step mechanism for the reaction of the following: a. salicylic acid with acetic anhydride/ phosphoric acid b. salicylic acid with methanol/hydrochloric acid
A and B are two species which react in the presence of an acid catalyst. Would you expect the catalyst to appear in the rate law
What is the freezing point of a solution containing 3.10 grams benzene (78.11 g/mol) dissolved in 32.0 grams paradichlorobenzene
If I calculate avogadro's number using the mass gain of copper at the cathode rather than by using the mass loss at the anode, what sort of differences can I expect if any
jacob couldnt find the 6 m h2so4 so instead substituted the 6 m hno3 that was available. what change was most likely
What amount of HCl gas must be added to 1 L of a buffer solution that contains [acetic acid]= 2.0 M and [acetate]= 1.0M in order to produce a solution with a pH of 4.26
The two isotopes of uranium, U-235 and U-238 can be separated by effusion of the corresponding UF6 gasses. What is the ratio of the root mean square speed 238-UF6 to that of 235-UF6
what is the difference of the KBR specrtum in % transmittance and absorbance. and btw wavenumber and wavelength
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