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By measuring the equilibrium between liquid and vapor phases of an acetone methanol
Plot pH values as a function of volumes of added KOH and suggest appropriate indicators for the titration.
The preliminary concentration for iodine is 0.08 mole, if the reaction rate at this concentration was 36 seconds. Explain what would the reaction rate be if the concentration of iodine is doubled to 0.16 mole
water and titrated with 0.0633 M NaOH. After 10.0 mL of base has been added, the pH was determined to be 5.07. What is the Ka for the acid?
lab technician makes three successive 10.0mL to 100.0mL dilutions of a .970 M stock solution of Copper(II) Chloride, then adds 3.00mL to a test tube initially containing 7.00mL of an ammonia solution. What is the molarity of copper(II) ions in the..
Based on the data for step 2 of the experiment, predict what would happen if you performed step 3 of the experiment (how many sets of three drops of each of the HCl and NaOH would be needed until the buffering capacity is lost for the two solution..
a solution contains naphthalene c10h8 dissolved in hexane c6h14 at a concentration of 13.13 naphthalene by
Calculate the equilibrium partial pressure of bromine gas. No approximations can be made because the equilibrium constant is too large. I2 (g) + Br2 (g) 2IBr (g)
What is the molar mass of a nonelectrolyte compound if 3.42 grams of the compound dissolved in 41.8 grams benzene begins to freeze
The concentration of a biomolecule inside a rod-shaped prokaryotic cell is 0.0047 M. Calculate the number of molecules inside the cell, which is 2.0 micrometers long and 1.3 micrometers in diameter.
The specific heat of a certain type of cooking oil is 1.75 J/(g·°C). How much heat energy is needed to raise the temperature of 2.02 kg of this oil from 23 °C to 191 °C
Write the equation and states 1. a double replacement between copper (II) nitrate and sodium phosphate. 2. Sodium reacts w/ a solution of iron (II) sulfate forming solid iron and sodium sulfate.
How many moles of NaHCO3 and CH3COONa are necessary to produce 425 mL of CO2?
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