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A 20.0-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.
(a) 11.4ml
(b) 18.8ml
What is the molar solubility of BaF2 in 0.15M NaF at 25 degrees celsius? Compare the solubility in this case with that of BaF2 in pure water.
600 mL of water is heated from 20c to 85 c to make a cup of tea. How much heat flows into the water? NOTE: density and specific heat capacity of water 1.00g/mL and 4.18J/(g.c) respectively.
when perfoming a distillation some of the material will vaporize but will not collect in the reservoir of the Hickman head
The half-life of radon-222 is 3.8 days. How much of a 100 g sample is left after 15.2 days?
the final step of the purification process in the miniscale procedure involves a simple distillation.
The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft.
What structure best represents the rate-determining intermediate formed when 1-methylcyclopentene reacts with Cl2.
Sulfuryl chloride (SO2Cl2) in the gas phase decomposes to sulfur dioxide and chlorine gas. A) what is the rate law? B) What is the value of the rate constant (k)?
A certain number of sodium ion lattice points and a certain number of chloride ion lattice points are required. How many chloride ion lattice points are in the unit cell as described above?
a solution of 1 ppm Pb2+was prepared and dispensed 1 mL of it using a volumetric transfer pipette, also the same solution was dispensed using a measuring (Mohr) pipette.
What pressure would have to be applied to steam at 365°C to condense the steam to liquid water (H vap = 40.7 kJ/mol)?
Predict the products of their eliminations, and explain the large difference in the ease of elimination.
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