Mass percentage of nitrogen in the sample
If 28.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
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A sphere of radius a has a bound charge of Q distributed uniformly over it. The sphere is surrounded by a uniform fluid dielectric medium of permittivity .The fluid contains a free charge density given by P(r)=-kV(r), where k > 0 and V(r) is
A composite aluminium alloy ( E= 72GPa and v = 0.33 ) cylinder is made up of an inner cylinder with inner and outer diameters of 80 and 120mm, respectively, and outer cylinder with inner and outer diameters of and 120 and 240mm, respectively.
A positive charge of magnitude q1 lies at the origin. Derive an expression for the incremental work done in moving a second point charge q2 through a distance dx from the starting position (x, y, z) in the direction -ax.
Discuss two ways that ammonium compounds decompose when they are heated. What chemical reaction is involved in the thermal decomposition of ammonium persulfate?
If 156 mL of wet H2 is collected over water at 24 degrees celcius and a barometric pressure of 737 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.3 torr.)
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?
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