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1. (a) What is the molarity of a 0.050 N solution of Ba(OH)2 (calculated on the basis of complete neutralizaton of the alkali).
(b) What is the normality of a 0.050 M H3PO4 (based on neutralization of the acid to the HPO4^2- ion?
A TLC plate was run in 1:1 ethyl acetate and hexane, but when developed the plate only showed baseline spots. What change could be made to get the spot(s) to move further up the plate
based off of pka values of 10 for phenol and 6.4 for carbonic acid would sodium bicarbonate be a suitable base for
fundamentals of chemistry.1. hydrogen bonding innbsp water contributes toa. a decreasednbsp boiling
Depict the mechanism for the formation of the pink salt of triphenylmethanol from the Grignard reagent as well as benzophenone.
a solution of 100.0ml of .200 m koh is mixed with a solution of 200.00ml of .150m niso4.a write the balanced chemical
For reversible adiabatic expansion of a perfect gas, state if possible whether the following are positive, negative, or equal to zero. State a short explanation for each.
Draw the structure(s) of all of the alkene isomers, C5H10, that contain a branched chain. Specify E/Z isomerism in your drawings when appropriate.
Magnesium sulfate reacts with barium chloride according to the following balanced equation. How many moles of barium sulfate are formed from 10.0 g of magnesium sulfate? MgSO4(aq) + BaCl2(aq) ? BaSO4(s) + MgCl2(aq)
A sample consisting offive molecules has a total energy 5£. Each molecule is able to occupy states of energy j£,with j= 0,1,2,···,oo. (a) Calculate the weight of the configuration in which the molecules are distributed evenly over the available st..
how many molecules of ethanol ch2h5oh the alcohol in alcoholic beverages are present in 145ml of ethanol? the density
a disinfectant solution is made by dissolving 4.50 g of hydrogen peroxide h2o2 in 143.2 g of water. calculate the mass
Show by equations analogous to those in problem 1 how branching may arise in the free-radical polymerization of isoprene (CH2-C(CH3) CH-CH2) initiated by di-t-butyl peroxide even in the absence of chain transfer. How do you think the presence of d..
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