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To calculate the reaction rate of potassium iodide and hydrogen peroxide to include the order of reaction.
Determine the volume (in mL) of 0.00437 M cesium hydroxide (CsOH) that must be added to 81.4 mL of 0.0282 M hypochlorous acid (HClO) to yield a pH of 6.70.
This product contains no chemicals." What does this really mean and how do you feel about "natural" vs "synthetic" products?
Methylbenzene and 1,2-dimethylbenzene mix to form an ideal solution. At 90oC, the vapor pressure of pure methylbenzene is 400 Torr and that of pure 1,2-dimethylbenzene is 150 Torr.
Describe the biogeochemical cycles for H2O, C and N and describe how human activities have thrown them out of their natural balance.
A small collection of dimes and quarters are submerged in 10.00 mL of water in a graduated cylinder causing the water level to rise to the 18.87 mL mark. What is the combined monetary value (in Can$) of those coins?
If a 1000 kilogram sample of rock is 0.021% gold by mass. How much zinc is needed to react with the gold extracted from the rock?
calculate the purity of the ammonium chloride in the sample.
A 2.00-L flask is filled with propane gas (C3H8) at 1.00 atm and -15.0 degree C. What is the mass of the propane in the flask?
The standard heat of formation of WO3(s) is -843 KJ/mol, and its standard molar entropy
The steel bomb of bomb calorimeter, which has a volume of 75 mL, is chaged with oxyen to a pressure of 145 atm at 22 C. Calculate the moles of oxygen in the bomb. Calculate the grams of oxygen in the bomb.
Identify the limiting and excess reactions and how many grams of the excess will be unused.
Calculate the concentration of sodium ion in a solution made by diluting 350.0 mL of 3.00 M sodium carbonate to a total volume of 2.00 L.
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