What volume of 0.10 m naoh must be added
A buffer is made using 45.0 mL of 0.750 M HC3H5O2 and 55.0 mL of 0.700 M NaC3H5O2. What volume of 0.10 M NaOH must be added to change the pH of the original buffer solution by 2.5%? Ka for this acid is 1.3 x 10
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A helical spring of stiffness k is cut into two halves and a mass m is connected to be 0.5 s. If an identical spring is cut so that one part is one-fourth and the other part three-fourths of the original length, and the mass m is connected to the two
Using the symbol table on the right, show the LC-3 assembly language generated by a non- optimizing C compiler for each of the following C statements. (Note: "Non-optimizing" means that all variables are allocated in memory. In other words, whe
A gas mixture is made by combining 7.9g each of Ar and Ne and an unknown diatomic gas. At STP the mixture occupies a volume of 18.73L. What is the molar mass of the unknow gas?
Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of N2O(g) is ______kJ/mol
what is the pH of a 0.100M solution of benzoic acid if ka=6.5x10-5 and the equilibrium equation of interest is : HBz(aq)+h20(l)<--->h3O+(aq)+Bz-(aq).
The 50 Kg wheel is a solid circular disk which rolls on the horizontal plane in a circle of 600mm radius. The wheel shaft is pivoted about the axis O-O and is driven by the vertical shaft at a constant rate N = 48 rev/min about the Z-axis.
iron has a density of 7.87 g/cm. What mass of iron would be required to cover a football playing surface of 120 yards x 60 yards to a depth of 1.0mm?
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