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Give a physical interpretation of equimolar counter diffusion.
calculate the parts per thousand deviation in ml. for the three titrations. b) Would an additional titration be advisable? give a reason?
Assuming that the smallest measurable wavelength in an experiment is 0.330 fm (femtometers), what is the maximum mass of an object traveling at 213 m·s-1 for which the de Broglie wavelength is observable
A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers. What is the melting point of a mixture of 2.00 lb of NaCl and 12.00 pounds of ice if exactly half of the ice melts?
a 120g sample of an unknown substance was heated from 15oc to 30oc. the substance absorbed 458 joules of energy. what
CO 5) What should be the coefficient of hydrogen, H2, in the following equation in order to make it balanced? 2 Al + 3 H2SO4 ---> Al2(SO4)3 + ? H2
how many valence electrons do each of the following elements have, and what are the specific valence electrons for each element
The Ka of butyric acid, C3H7COOH is 1.5 x 10-5. What is [C3H7COO-] in a 0.397 M solution of C3H7COOH
Bromine can form compounds or ions with any number of fluorine atoms from one to five. Write the formulas of all five of these species
Draw every stereoisomer for 1,2-difluoro-1,2-dimethylcyclopentane. Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring,
Is the best description of the t2g orbitals in [CoCN6]3- bonding, non-bonding, or antibonding? Explain your choice.
If the TLC solvent is changed to 20:1 Hexanes:ethyl acetate, how should the Rf values be affected?
What is the concentration of the potassium ion (in M) in a solution which contains 50.4 g potassium phosphate in 610 mL of solution
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