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If the actual pressure of the vapour was less than the surrounding , will molecular weight you determine (heptane) be too low or too high? explain?
compare the stabilities of each of the four conjugate bases that would be formed from the doprotonation of the four different OH groups and determine which of hte OH is most acidic.
Estimate the final temperature of the gas if 58g of air at 25 degrees Celsius and 50 bar undergoes a Joule-Thomson throttling to a final pressure of 1 bar. Assume the Joule-Thomson coefficient is independent of temperarture and pressure.
the density of titanium is 7.51 g/cm^3. What is the volume (in cubic inches) of 3.5 lb of titanium?
If a molecule having an ionization energy of 10.51 eV produces a photoelectron having a kinetic energy of 7.01676E-19 J, what is the wavelength of the incident radiation?
Arrange the elements in order of decreasing ionization energy N MG O F Al
Maleic anhydride reacts with ethylene glycol to produce an alkyd resin
Sn2 reactions occur at different rates depending on the structure of the substrate in the reaction . Would an Sn2 reaction occur at a faster rate on a primary or a tertiary substrate ? Briefly. Explain your answer
There is a titration of 25.00 mL. The equevalence point is reached after 18.50 mL of 0.171 M HCl has been added . What is the initial concentration of ammonia in the solution? what is the pH of the solution at the equivalence point
Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system. Fe3O4(s) + CO(g) 3 FeO(s) + CO2(g) ?H°= +35.9 kJ
protein used as standards on an SDS- polyacrylamide gel are 0.80 and 0.41, respectively. What is the apparent mass of a protein having a mobility of 0.62 on this gel?
layered 20 mL of 2% sebacoyl chloride (decanedioyl chloride)/hexane on top of the aqueous solution. And then we used forceps to draw the solid that forms at the interface A(nylon) into a thread and wound the thread around a test tube. (It was whit..
A scuba diver with a lung capacity of 5.3L inhales a lungful of air at a depth of 47m and a pressure of 5.7atm.
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