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The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the mo- lar mass of the solute?
the acceleration due to gravity on the moon is about one sixth the gravitational acceleration near the earths surface.
what would be the chemical equation to this problem? In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made: 25 mL of a solution containing 25 g/L CuSO4.5..
75.0 mL of a 1.80 M solution is diluted to a volume of 258 mL. A 129-mL portion of that solution is diluted using 187 mL of water.
Explain an oxygen molecule has a mass of 5.3 x 10-26 kg. If the molecule is moving at 400m/s 1000 mpg with an uncertainty in velocity of 1 m/s, the uncertainty in position h=6.626 x 10-34 Js
How many grams of HCl are in a quart of muriatic acid? The muriatic acid density is 1.18 g/mL and is typically 36.5% HCl by mass.
If replacing magnesium with an equal weight of sodium, how would the enthalpy of the reaction changed?
Compute the average kinetic and potential energies of an electronic the ground state of a hydrogen atom.
a fluid flows axially in the annular region between two concentric pipes with radii r1 and r2 gt r1 respectively.
carbon oxide carbon ii oxide can be purified of oxygen impurities by having it react with cobalt ii oxide. if the
Problem- How do I calculate the Rf values from TLC if there are three spots from the crude product and one from the pure product? Justify your calculation. No word count
Determine Ecell (in V) for a cell composed of a In electrode in a solution of In3+ coupled to a standard hydrogen electrode (SHE) under standard conditions.
What was the pressure of the sample when it was unloaded in Urbana the next day and the temperature was a typical 31.7oC
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