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What is the volume required of a 0.2 M KOH solution to reach the half equivalence point in titrating 25 mL of a 0.1 M HCO2H.
A sample of a gas weighs 2.006 g and has a volume of 1060.0 mL at 795.0 torr and 32.0 degrees Celsius. What is its molar mass?
Calculate the concentration of argon in lake water at 20C. if the partial pressure of argon is 0.0090 atm and Henry's constant is 0.0015
How would you distinguish experimentally between an amphourous, a crystalline and a crosslinked polymer
How much heat in kilojoules is required to warm 10.0 of ice, initially at -10.0, to steam at 125. The heat capacity of ice is 2.09 and that of steam is 1.84 .
What mass of NaOH (s) must be added to 1.0 L of 0.050 M NH3 to ensure that the percent ionization of NH3 is no greater than 0.0010%? Assume no volume change on addition of NaOH. Kb NH3=1.8 x10^-5
what rate is heat released/absorbed (express in kW and state whether released or absorbed) when 4050 mol/h of liquid water are produced
Yellowstone Lake has an area of 88,960 acres. How many liters of pure oleic acid (molecular mass = 282.5 and density = .895 g/ml) would be needed to cover this lake with a layer one molecule thick? Assume the oleic acid molecule occupies a cubic s..
Use the letter from the reagent table for inorganic reagents and write the IUPAC substitutive name for the bromoalkane.
The activation energy of a certain reaction is 52.9 kJ/mol. How many times faster will the reaction occur at 35 degrees C than at 25 degrees C
Predict the product(s) and write a balanced equation for the following redox reaction: 1. Phosphorous trichloride + chorine
They are all buffer solutions and would all have the same capacity 2) Of the following solutions, which has the greatest buffering capacity?
Ethylene glycol, C2H6O2 (MW=62.1mol) has a density of 40.0 mass percentage and a solution of ethylene glycol in water is 1.0514 g/mL at 20 EC. Calculate the molality of the solution
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