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The solubility product for Zn(OH)2 is 3.0*10^-16. The formation constant for the hydroxo complex, Zn(OH)4^2- is 4.6*10^17. What is the minimum concentration of OH- required to dissolve 2.0×10-2 mol of Zn(OH)2 in a liter of solution?
a student was asked to identify an unknown hydrate by following the procedure described in this module. after heating
which phase transitions more likely to occur?
Draw the compound and its constitutional isomer indicate which structure has enantiomers, diastereomers or meso compounds. is the constitutional isomer chiral or achiral
Discuss the symmetry of cyclohexane chair conformation, half chair conformation, and boat conformation.
Calculate the molarity of a solution made by adding 27.8 mL of concentrated hydrochloric acid (37.3 % by mass, density 1.19 g/mL) to some water in a volumetric flask, then adding water
A 120 pound woman working in an office consumes about 2200 kcal/day, whereas the same woman climbing a mountain needs 3400 kcal/day.
A certain atom has a doubly degenerate ground level pair and an upper level of four degenerate states at 450 cm?1 above the ground level. In an atomic beam study of the atoms it was observed that 30 per cent of the atoms were in the upper level
When a student chemist transferred the metal to the calorimeter, some water splashed out of the calorimeter. will this technique error result in the specific heat of the metal being reported too high or too low
The vapor pressure of water at 29 ^circ rm C is 30.0 rm torr. What is the mass percentage of aluminum in this alloy?
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution
the henrys law constant for co2 gas in h2o 0.031 moll-atm at the temperature of 25 degree celsius. compute the
A weather balloon at Earth's surface has a volume of 4 L at 294 K and 746 mm Hg. If the balloon is released and the volume reaches 4.19 L at 715 mm Hg.
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