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Consider the dissolving of lead iodide: PbI2 (s) →← Pb2+ (aq) + 2 I- (aq) The solubility of lead iodide (like many salts) increases at higher temperatures:
At 20°C, the molar solubility is 1.40 × 10-3 M
At 80°C, the molar solubility is 7.00 × 10-3 M
From this information, calculate ΔH° and ΔS° for the above reaction. You may assume that ΔH° andΔS° remain constant over this temperature range.
In a titration, a 0.7529 gram sample of a mixture of solid C6H5COOH and solid NaCl is dissolved in water and titrated with 0.150 M NaOH. The equivalence point is reached when 24.78 mL of the base solution is added.
two wines are available for blending one tank of 2000 l has a ta of 9.0 gl another tank of 4000 l has a ta of 6.0 gl.
The eardrum can rupture with as little as 35 kPa of pressure difference across it. What is the depth at which this pressure difference could occur
suppose 321 grams of methylamine (CH3NH2) and 332L of oxygen gas are mixed together in the reaction below at STP. how many grams of water should be prouduced?
what are the reactants in the equationk2cro4aq pbno32aq -gt kno3aq pbcro4aq?what are the proper coefficients to balance
Bleach contains the active ingredient NaClO. Analysis of bleach involves two sequential redox reactions: First, bleach is reacted in acidic solution.
Then 40.0 mL of this solution were titrated with 0.060 M HClO4. Calculate the pH at the first equivalence point.
Silicon has doped with 10^17 phosphorus atom cm^-3 at room temperature. a) Calculate the carrier concentrations.
Assuming no air resistance, what was the horizontal distance between Mark and the swimming pool when he fell from the helicopter?
consider a solution containing liquids a and b where the mole fraction of b is .60. assuming ideality calculate the
Problem- (a) Rank the following three compounds in terms of increasing boiling point: hydrogen chloride (HCl), hydrogen fluoride (HF), molecular oxygen (O2)
If the pressure of 50.0 mL of oxygen gas at 100 °C increases from 735 mm Hg to 925 mm Hg, what is the final volume? Assume temperature remains constant.
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