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The solubility product for ZnOH2 is 3.0x10^- 16. The formation constant for the hydroxo complex, Zn(OH)4 ^2-, is 4.6x 10^17. A)What is the minimum concentration of OH - required to dissolve 1.5×10-2 mol of Zn(OH)2 in a liter of solution?
calculate the mass of nitrogen dissolved at room temperature in an 77.0 home aquarium. assume a total pressure of 1.0
Antimony has two naturally occurring isotopes, Sb-121 (mass = 120.9038 amu) and Sb-123 (mass = 122.9042 amu). Calculate the percent abundances of these isotopes of antimony
A sample of gas has a temperature of 0 celsius and a volume of 453 m. At constant pressure, the temperature is raised to 100Celsius. What is the new volume
A hydrogen molecule in it's ground vibrational state with KE=10eV collides with heavy atom metal surface and no energy is transferred to the surface, i.e., the surface can be modeled as an infinite potential wall.
Consider the reaction that occurs when a solution containing hydrochloric acid (HCl) is added to a solution containing the weak base methylamine (CH3NH2).
During the electolysis of fused BaCl2, which reaction occurs at the cathode? (1)Chloride ions are oxidized (2) Chloride ions are reduced (3) Barium ions are oxidized (3) Barium ions are reducued
why does a salt containing a cation from a weak base and an anion from a strong acid form an acidic solution
the reaction h2g i2g lt----gt 2hig has kp 45.9 at 763 k. a particular equilibrium mixture at that temperature
A single pulse of a laser yields an average of 5.00 multiplied by 1018 photons with = 633 nm. If melting ice to water at 0°C requires 6.01 kJ/mol, what is the fewest number of laser pulses need to melt 10.0 g of ice?
Chlorine has two stable isotopes, chlorine-35(34.9688 amu) and chlorine-37 (36.9656 amu). If the average mass of chlorine is 35.4527 amu, what is the natural abundance of chlorine-37
how much energy would be required to raise the temperature of 75.0 g of water from 25 c to 75 c
A 100.0-g sample of copper is heated from 10.0°C to 100.0°C. a) Determine the number of calories needed. (The specific heat of copper is 0.0921 cal/goC).
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