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An 87.4 mL sample of wet O2 (g) is collected over water at 19.5°C and a barometric pressure of 749 mmHg. Under these conditions, the vapor pressure of H2O is 17 mmHg.
-Find the partial pressure of O2 in the sample in units of atm.
-Calculate the volume the O2 would occupy if it were dry, as described by Equation 2.
A 12.00 ml aliquot of H2SO4 required 62.334 g of this NaOH solution to reach the phenolphtalien end point. Determine the molarity of the sulfuric acid solution
The cube has an edge length of 0.26 ± 0.03 m. The volume of a cone is 1/3(pie)r^2h . What is the volume and uncertainty of the added water?
Based on position in the periodic table and electron configuration, arrange these elements in order of decreasing Ei1. Rank the elements from highest to lowest ionization energy
in lab you titrate a standard solution of sodium hydroxide with an unknown solution of acetic acid. you make the
If 4.12g of (NH4)2SO4 (all numbers are subscripts) is dissolved in enough water to form 220mL of solution, what is the molarity of the solution
Name and depict the structures of six compounds that have the formulaC6H7N, a five or a six membered ring, and are aromatic.
If 500 g of KCIO3, decomposes and produces 303 g of KCl, how many grams of O2 are produced?
To produce 856 g of ammonia gas utilizing air as your source of nitrogen gas, explain what volume of air is required if the air is introduced at 27°C and 760 mmHg. The mole fraction of nitrogen gas in air is 0.781
What would ?U and w be if the expansion connects the same initial and final states as in (a) but is done by having the perfect gas expand into a vacuum.
What is the percentage by mass of nitrogen atoms in ammonium phosphate, (NH4)3PO4
Write the expression for the dissociation constant, Ka, for the acid. What is the value of Ka if a solution of formic acid contains
Assume the net ionic equation for the reaction 61.5mL of 0.11 M sodium hydroxide were required to completely neutralize 23.7mL of sulfuric acid.
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