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Using a solution containing 55.0 g of glycerol, C3H5(OH)3, and 250 g of water? What will be the freezing point and boiling point of this aqueous solution if given that Kb(H2O) = 0.51 oC/m and Kf = 1.86o C/m.
Visualize whats happening at the molecular level and explain how your products wind up in the Hickman's collection well. What would happen if you placed the Hickman above the water condenser?
molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing
At 25 degrees C and constant pressure, carbon monoxide gas combines with oxygen gas to give carbon dioxide gas with the evolution of 10.1 kJ per gram of carbon monoxide consumed. What is the value of ^H for the balanced reaction?
Write a balanced net ionic equation to show why the solubility of FeCO3(s) increases in the presence of cyanide ions and calculate the equilibrium constant for this reaction.
One way to recrystallize a solute from a solution is to change the temperature. Another way is to evaporate solvent from the solution. A 340 g sample of a saturated solution of KNO3 in water is prepared at 25.0.
How much heat does your body lose when 1.8 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 is 44.0 .
We are now processing magnesium fluoride from a mine in Elko. It can be used to coat binocular lenses. The Ksp for magnesium fluoride is 3.7 x 10^-8 at room temperature. Determine how many grams of magnesium fluoride is precipitated out if we plac..
When H2 gas is formed from naturally occurring hydrogen, what percentages of the molecules have molecular weights of approximately
Write the balanced equation for the net cell reaction for the voltaic cell in acidic solution. (First two are the anode, last two are the cathode)
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the strong base NaOH
In the information of smog, nitrogen and oxygen gas react to form nitrogen dioxide. How many grams of NO2 will be produced when 2.0 L of nitrogen at 840 mmHg and 24 degrees C are completely reacted
How many cubic centimeters are in an 8.00 oz bottle of cough medicine? (1.00 oz=29.6 mL)
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