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Calculate the pH during the titration of 20.0 mL of 0.25 M HBr(aq) with 0.25 M LiOH after 21 mL of the base have been added.
A half-cell, made by dipping a silver wire into 0.05 M aqueous AgNO, at 298 OK, develops a half-cell potential of +0.740 volts. What is the standard half-cell (Eo) for silver?
Question- What is the density (in g/L) of a sample of nitrogen gas that occupies a volume of 5.96L at a pressure of 2.51 atm and a temperature of 26.1oC?
What is the total sample size (in grams) for a sample of disulfur octoxide which contains 3.52 g of oxygen.
Calculate the energy levels of the pi-network in octatetaene, C8H10, using the particle in the box model. To calculate the box length, assume that the molecule is linear and use the values 135 and 154pm for C--C and C-C bonds.
The final temperature of the the calorimeter is 24.0 C. What is the specific heat capacity of unknown metal? The specific heat capacity of water is 4.184 J g^-1 C^-1
The remaining solid residue dissolved when 6 M NH3 was added but no precipitate was formed. The solution was then acidified with 6M HCl and a white precipitate formed. Based on this info
Draw the product of the reaction of cyclopentanone with hydroxylamine. Draw the product of the reaction of cyclopentanone with hydrazine
A Grignard reagent is an organomagnesium halide (or R-Mg-X). Explain the difference in the reactivity of the carbon bonded to the halide in an alkyl halide (R-X) versus the carbon bonded to the magnesium in a Grignard reagent.
The vapor pressure of water at 20.0 °C is 17.5 mm Hg. If the pressure of a gas collected over water was measured to be 453.0 mm Hg. What is the pressure of the pure gas
If the total pressure in the cylinder is 2430 mmHg, what is the partial pressure of each of the components? Assume constant temperature.
find the volume and the intermolecular force present in ammonia at stp in the following reaction.n2gnbsp
Devise two pathways by which you could combine other reactions toproduce the same product as the anti hydrogenation of a starting cis alkene.
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