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A solution of rubbing alcohol is 75.4 % (v/v) isopropanol in water. How many milliliters of isopropanol are in a 82.1 mL sample of the rubbing alcohol solution?
At 25o C, the solubility of magnesium hydroxide Mg(OH)2 in water is 0.00429 grams per Liter. Calculate the Ksp for the compound. [NOTE that there are two moles of OH- per mole Mg(OH)2.]
Explain an iron skillet with a mass of 0.96 kg and a copper skillet of the same mass are both at a temperature of 165.0 degrees Celsius. Explain when the skillets cool to room temperature (22.0 degrees Celsius)
A certain weak base has a Kb of 7.40 x 10^-7. What concentration of this base will produce a pH of 10.06
Describe the basic unit processes involved in IC fabrication and the sequences in which they are performed to yield products.
Undergoing moderate activity, an average person will generate about 350 kJ of heat per hour.Using the heat of combustion of palmitic acid (ΔH=-9977.6kJ/mol) as an approximate value for fatty substances, estimate how many grams of fat would be require..
The equilibrium will shift towards product and Keq will increase. B)The equilibrium will shift towards reactant and Keq will decrease.
What will be the experimental enthalpy of reaction when 0.5000g of zinc reacts with 20.00mL of 1.500M HCl, changing the temperatrure of the solution
Explain the role of the charcoal and of each of the reagents and discuss why cobalt(III) chloride is not used as the starting material.
Write a balanced chemical equation for the reaction, assuming there are equal moles of each component. Hint: Write each reaction separately; then, combine them.
How many liters of water are required to dissolve 1 g of barium sulfate. What is the solubility of barium sulfate in parts per million
Determine the concentration of the KOH solution when 35.0 mL of 6.00 mol/L KOH is diluted to 125 mL.
calibration and collection of equilibrium data are different experiment. why could you use the calibration curve for
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