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Using the following data, calculate the V/T ratios and determine if Charles'Law is obeyed (verified). Volume hot dry air - 137.0 ml Volume water drawn into flask - 32.0 ml Temp. boiling water - 99.5 oC Temp. ice water - 1. 5 oC Barometric pressure - 747 torr
Background: Lake Lianna is fed by two rivers, the Matthew and the Andrew. You have made careful water chemistry measurements throughout the year and found that the two rivers have the following pH and alkalinity
At a certain temperature, the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0690 g/L. What is the Ksp of this salt at this temperature
what would be the effect on your calculated mass percent recovery of Cu if you did not completely react the Mg in the reaction mixture? Briefly explain.
EDTA is utilized to slow microbial degradation of mayonnaise by preventing bacterial uptake of iron. Assuming that mayonnaise has a pH of 3.9 and a total iron content of 10-6 mole/liter, how much EDTA must be added to complex 99% of the total Fe
it was important that the flask be completly dry before the unknown liquid was added so that water present would not vaporize when the flask was heated.atypical single drop of liquid water has a volume of approximately 0.05ml
How many grams of nickle would be electroplated by passing a constant current of 7.2(A) through a solution of NiSO4 for 90.0 min
Calculate the molar concentration of OH- ions in a 0.560 M solution of hypobromite ion (BrO-; Kb = 4.0 x 10^-6). What is the OH- and PH
What is the molar mass of the unknown solution containing 1.01 g of unknown in 17.74 g biphenyle froze at 42 degrees C. Pure biphenyl freezes at 71.0C
Glycerol is a water-soluble liquid with a density of 1.2656 g/mL at 15°C. Calculate the molarity of a solution of glycerol made by dissolving 60.000 mL glycerol at 15°C in enough water to make 300.00 mL of solution.
A solution contains 0.010 M each Cu(NO3)2 and Bi(NO3)3. An equal portion of 12 M NH3 is added to the solution. What is the initial concentration of OH- (in M) once the two solutions have been mixed together, but prior to any reactions occurring? Th..
If carbon dioxide gas is collected over water at 25°C and 775 torr, what is the partial pressure of the CO2? The vapor pressure of water is 23.8 torr at 25°C.
Gas phase irridation of 2-pentanone produces acetone and ethylene in about 90% yield along with 10% 1-methylcyclobutanone. Accoutnt for the formation of these three products
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