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Find the corrected flask volume using the following: volume of water needed to fill flask=996mL capillary tubing radius=1.5mm length of tubing below the stopper=30cm barometric pressure in the laboratory=30.29 in. Hg laboratory temperature=21C.
The boiling point of a substance is defined as the temperature at which liquid and vapor coexist in equilibrium. Use the heat of vaporization (30.91kJ/mol) and the entropy of vaporization
Calculate the value of Ecell (Standard reduction potentials) for the reaction above. Shwo your work and explain why this value implies that the reaction is product favored.
How many air molecules are in a 10.0x20.0x10.0 ft room? Assume atmospheric pressure of 1.00atm , a room temperature of 20.0C , and ideal behavior.
prepare 100 mL each of five standard solutions: 2.00 x 10-5, 5.00 x 10-5, 1.00 x 10-4, 2.00 x 10-4, and 5.00 x 10-4 M. These will serve as your analytical standards, which means that their phosphate concentrations must be precisely known.
The molecular mass of an unknown compound was determined by measuring the freezing point depression of an aqueous solution of the compound
Why was cold deionized water added to the reaction mixture rather than hot water, and what is the purpose of acetic acid?
How can ethidium ions cause mutations in DNA and what type of interactions exists between the DNA and ethidium ions?
freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m What is the freezing point of a solution of glucose, a nonelectrolyte, that contains 91.0 g of C6H12O6 dissolved in 323 g of water? Use molar masses with at least as many signif..
What would affect the chemical shift of the sp3 hybridized carbon atom that would cause its peak to appear at ~ 64 ppm
Use the density of copper (8.95 g/cm3) and its molar mass (63.55 g/mol) to calculate an approximate atomic radius for copper.
Provides as many reasonable ways as possible of synthesizing 2-choloro-3-methylbutane as the major substrate product starting with substrates that contain 3 or more carbon atoms
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
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