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Use values of Ksp for Zn(OH)2 and Kf for Zn(OH)4-2 (page 330) to predict if a precipitate will form when you prepare a solution which contains 0.010 M Zn2+ and 1.0 M NaOH.
Write the Zn(OH)2 precipitation reaction equation:
Write the Zn(OH)42- complex formation equation:
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity'
What volume of concentrated HCl is necessary to completely neutralize the 10 mL of 1.5 M NaOH used?
draw the major form of your drug whenph is low (acidic medium) for all acid base groups c. draw the major form of drug when ph is high (basic medium for all acid base groups
a 150.0 g sample of metal at 80 c is added to 1500.0g of H2O at 20 c. the temperature rises to 23.3 c. assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal.
Assume that O2(g) and H20(g) can be described by the van der Waals equation of state. Decide which between 1 mole of O2 and H20 has the highest pressure at the same value of T and V
The vapor pressure of water at 26 degrees C is 25.209 mmHg. How many moles of gas were collected?
If the pressure during the reaction stays CONSTANT (but the volume can change, like in a piston or balloon), which of these reactions do work on the surroundings
A spoonful of sodium chloride is dissolved in a liter of water. What is sodium chloride in this solution?
How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0°C to 68.0°C?
What is the product in a base catalyzed aldol condensation reaction between: 2 mmols acetone and 8 mmols benzaldehyde? 2 mmols acetone and 8 mmols 4-methylbenzaldehyde
The concentration of this compound in the sample is 0.000030 M and the path length of the sample is 1.0 cm
A single atom of an unknown element travels at 15% the speed of light. The de Broglie wavelength of the atom is 1.06x10^-16m. What element is this
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