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Lead (II) iodide, Pb2, is an ionic compound with a solubility product constant Ksp of 7.9 x 10-9. Calculate the solubility of this compound in
a. pore water
b. 0.050 mol L-1 KI solution
What is the pH of a solution that mixes 30mL of 0.01M CH3COOH with 30mL 0.0075M NaCH3CO2? (Assume the volumes are additive
a photon of ultraviolet uv light possesses enough energy tomutate a strand of human dna. what is the energy of a single
A beaker contains 250 mL of an aqueous solution that has .025 moles of formic acid (HCOOH) and .025 moles of sodium formate (HCOONa)
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL.
An oxyacetylene flame is often used in the welding of metals. Estimate the flame temperature produced by the reaction. 2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(g) Assume the heat generated from this reaction is all used to heat the products.
Deficiency of phosphoglyceromutase d) mutation that interferes with the formation of quarternary structure in hemoglobin
Draw the structure(s) of the primary alcohols with the chemical formula C6H14O that have an ethyl side chain.
What is the Total Ionic Equation for:2Al + 2KOH + 6H2O = 2KAl(OH)4 +3H2
When the equation above is balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O2
the vapor pressure of mercury Hg is .00180 mmHg at 77F. if Hg vapor reached equilibrium at this temperature in an enclosed space, what would the concentration of Hg be in the space. Assume normal atmospheric pressure.
From a consideration of the Lewis structure of the thiocyanate ion, SCN- in which carbon has double bond with both the sulfur and nitrogen atoms, what are the formal charges on the sulfur, carbon, and nitrogen atoms respectively
The pH of the resulting solution is 6.35. Calculate the Ka for the acid.
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