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A solution is prepared by mixing 5.00 g of compound Z (molar mass 15.00 g/mol) in 100.0 ml of water. The density of the solution is 1.09 g/ml. Calculate the molarity of the solution.
Compare and contrast diethyl ether as a general anesthetic to the modern gaseous ther general anesthetics used today. What are the benefits
if the initial water level in the graduated cylinder is 21.2 ml and the level rises to 27.7 ml after the object is placed in the cylinder, what is the volume of the object?
But a3.00 g sample of Mg dissolves in nitric acid to give 18.3 g of magnesium nitrate, which gives 4.98 g of MgO when heated to 1000 degrees Celsius. These results illustrate which law, theory or hypothesis?
What is your theoretical yield. i) in mols ii) in grams iii) in mL b) What are other compounds that could possibly form that would decrease your % yield
a balloon is inflated with 0.2492 grams of helium to a pressure of 1.26 atm. if the desired volume of the balloon is
Calculate the number of moles of carbon dioxide in the final equilibrium system obtained by initially adding 1.00 mol of H2, 2.00 moles of CO2, 0.750 mol of H20, and 1.00 mol of CO to a 5.00 L reactor at 990 C.
Calculate the range of pH values for which Mg(OH)2 will not precipitate but Fe(OH)3 will. Assume the solution is 0.0500 M
To qualify to run in the 2005 Boston Marathon, a distance of 26.2 miles, an 18 year old woman had to have competed another marathon in 3 hours and 40 minutes or less. To qualify, what must a woman's average speed have been
what is the formula for trisethylenediaminecobaltiii
An aqueous solution is 5.80% methanol (CH3OH) by mass with d= 0.988 g/ml. What is the molarity of CH3OH in this solution
The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is?
Calculate the temperature of the system once equilibrium has been reached. Assume that CP,m for Au(s) and H2O(l) is constant at their values for 298 K throughout the temperature range of interest.
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