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a) Gaseous Cl2 in the stratosphere to form gaseous Cl atoms. b) Gaseous CO reacts with gaseous H2 to form liquid methanol, CH3OH. c) Calcium phosphate precipitates upon mixing Ca(NO3)2(aq) and (NH4)3PO4(aq).
The pressure gauge on a 20.0 m3 tank of nitrogen at 25 ?C reads 10 bar. Estimate the mass of nitrogen in the tank by : (a) Direct solution of the ideal gas equation of state. (b) Conversion from standard conditions.
Why is mercury being replaced by other liquids such as colored alcohol as the temperature-sensing fluid
What is the euillibrium constant, Keq, for the reaction below if a vessel containing 0.45atm of SO2, 0.05 atm of SO3, and 0.25 of O2 has an equillibrium partial pressure for SO2 of 0.55 atm.
Assume that a solid has a constant of Cp,m=25 J/K-mol from 50K to 298K and that the DeBye approximation is valid from 0K to 50K. Estimate the standard molar entropy Sm for the solid at 298K.
Calculate the volume of 1.70 m Na3104 in milliliters that contains 3.00 g of solute.
When using dichloromethane as a solvent, which would make a good, yet cost effective, drying agent?
A second-order reaction has a rate constant , k, of 0.90 1/M.min. If the initial concentration of the reactant is 2.25 M , what will be the concentration of reactant after 10 minutes?
The final temperature of the water in the calorimeter was 24.2 deg C. What is the heat capacity of the calorimeter?
what is the cell potential at 25 ?C if the concentrations are [Co3+]= 0.852M , [Co2+]= 0.545M , and [Cl?]= 0.313M and the pressure of Cl2 is PCl2= 6.10atm
All numerical answers must be reported to the correct number of significant figures. What volume of 1.000 M LiCl must be diluted with water to prepare 250.0 mL of 0.100 M LiCl
What bromination product(s) would you expect to obtain when the following compound undergoes ring mono-bromination upon reaction with Br2 and FeBr3. Only the organic product is required (draw the molecule)
find out the ΔH rxn for the given reaction as C 3 H 4 (g) + 2 H 2 (g) → C 3 H 8 (g)
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