What was the franco prussian war of 1870
What was the Franco-Prussian War of 1870-7 about and the peace treaty that ended it, which ironically was also signed at Versailles?
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A mass of 0.750 g calcium chloride is diluted with 975 g H2O. What is the chloride ion concentration (in ppm)?
How does the idea of the hero in Greek and Roman culture become integrated into the idea of the saint in the process of conversion and totalization?
Calculate the mass of propylene glycol that must be added to 0.330 of water to reduce the vapor pressure by 2.88 torr at 40°C.
Sea water has a sodium (Na+) concentration of 1.08 x 104 ppm. If the solution is present as dissolved NaCl, what mass of NaCl is in each liter of sea water? Seawater has a density of 1.05 g/mL.
What is the boiling point of a mixture composed of 85 g HOCH2CH2OH (ethylene glycol) and 125 g H2O? The boiling point elevation constant for H2O is 0.512 .C/m.
How much energy (in calories) is needed to heat 10cm^3 of fat from room temperature (25 C) to its melting point (35 C)?
What quantity of ethylene glycol, HOCH2CH2OH, must be added to 50 grams of water to raise the boiling point by 1.0 C? Express this answer in grams.
Even though the carbonyl and amine are connected by a single bond, there is essentially no rotation around this bond, why is that? Can the amine group of the peptide bond function as a nucleophile?
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