What is the value of kb for this base
The pH of a 0.50M solution of a weak base is 11.4. What is the value of Kb for this base?
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An equal-tangent crest vertical curve is designed with a PVI at station 110+00 and a PVC at station 107+43.3. if the high point is station 110+75.5 what is the design speed of he curve?
What volume of a concentrated solution, which is 36.0% by mass and has a density of 1.179 , should be used to make 5.00 of an solution with a of 1.5?
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A student mixes 5.0 mL 2.00 x 10-3 M Fe(NO3)3 with 5.0 mL 2.00 x l0-3 M KSCN. She finds that in the equilibrium mixture the concentration of FeSCN2+ is 1.2 x l0-4 M. F
Dinitrogen pentoxide decomposes in the gas phase to form nitrogen dioxide and oxygen gas. The reaction is first order in dinitrogen pentoxide and has a half-life of 2.81 hours at 25 degrees Celcius.If a 1.3 L reaction vessel initially contains 750
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A 0.12M solution of a weak acid HA has pH = 2.49. What is the Ka of this acid?
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