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(1) State a thoughtful paper that compares how chemists of the early 20th century helped shape social policy as well as what their challenge is for the present and the future of life on this habitable planet
(2) Define why the USA lags behind the rest of the world with respect to the use of SI units.
4-5 pages, utilizing more than one source and providing the proper acknowledgement of all your sources, both in the body and the bibliography. (academic writing standards).
An oxide of phosphorus is 43.7% P, is 56.3% O, and has a molecular weight of 284 g. What is its molecular formula
You have a 1 g/L solution of soil organic matter. The amount of fulvic acid is 2 times the amount of humic acid. You add 2 mM Cu to a final [Cu] =0.8 mM. Experiment at pH 6.5. Equation Cu2+ + 2HLi = CuLi2 + 2H+. Li = [FA]+[HA].
What is the theoretical yield of bromobenzene in this reaction when 30.0 g of benzene reacts with 65.0 g of bromine?
one hundred grams of water is saturated with nh4cl at 50degc. according to table g if the temperature is lowered to
similarly, what happens if cellulose is reacted with maleic anhydride C4H2O3? Again, how is the cellulose molecule/structure altered and what are the reaction by-products?
if the aluminum block is initially at 25circ c what is the final temperature of the block after the evaporation of the
the solubility of kno3 is 155g per 100g of water at 75c and 38.0g at 25c. what mass of kno3 will crystallize out of the
Calculate the maximum work for the following cell if 88.9 g of Cl2 are produced and the emf is 0.520 V: 2 BaCrO4 + 16 H3O+ + 6 Cl- 2 Ba2+ + 2 Cr3+ + 3 Cl2 + 24 H2O
How many ml of a 0.050 M kMno4 solution are required to oxidize 2.00 g of feso4 in a dilute solution
How would you distinguish between the following pairs by use of infrared spectroscopy only? Tell what absorption would be present or absent in each case. Write balanced equation for the oxidation of tolualdehyde
Using resonance structures, show why the NH2 group of aniline is an ortho/para director in electrophilic aromatic substitution
What is the vapor pressure of a solution with a benzene to octane molar ratio of 2:1. (benzene= 280 mmHg ; octane= 400 mmHg)
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