What quantity of ethylene glycol, hoch2ch2oh, must be added
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.
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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 was the Franco-Prussian War of 1870-7 about and the peace treaty that ended it, which ironically was also signed at Versailles?
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)?
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?
What is the molar mass of a nonelectrolyte if 6.02 grams dissolved in 30.0 grams of benzene freezes at -1.55 .C? The freezing point of pure benzene is 5.50 .C and the freezing point depression constant, Kfp, is -5.12 .C/m.
Concentrated NaOH is 12 M and has a density of 1.53 g/mL. What is the percent NaOH by mass of concentrated NaOH?
What were the defining characteristics of the polis, and why did it evolve as it did? Also, think about the three poleis of Athens, Sparta, and Corinth.
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Find an article that is about some aspect of the federal bureaucracy. Provide a link to the article. Summarize the article contents
Supreme Court procedure - SCOTUSblog. Go to Supreme Court Procedure and read through the article. Many argue that the process is too long;
Topic: Homelessness in America. Purpose: As members of a democracy, it is important to be able to be an active member of our society.
The purpose of this assignment is to delve into key events, movements, or figures in American history between the years 1865 and 1974.
create a collection of secondary sources in preparation for your project, a proposal for a museum exhibit about a historical event or subject.
In this final week, students will be wrapping up their writing of the Final Paper on a War Crimes topic of their choosing (approved by the instructor
What are some of the artist's most famous works of art? Choose one of these works. In what ways is the piece characteristic of the movement specified above?