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If 25.o mL of .100 M Ca(OH02 is titrated with .200M HNO3 what volume of nitric acid is required to neutrilize the base?2HNO3 (aq) + Ca(OH)2 (aq) -= 2 Ca(NO3) + 2H2O
Use the enthalpies of bond formation to rationalize why nitrogen forms a dimer and phosphorous a tetramer.
Consider that a single box represents an orbital, and an electron is represented as a half arrow. Orbitals of equal energy are grouped together.
find the velocity of an electron emitted by a metal whose threshold frequency is 2.15times1014 rm s-1 when it is
Cinnamon owes its flavor and odor to cinnamaldehyde (C9H8O). Determine the boiling point elevation of a solution of 89.3 mg of cinnamaldehyde dissolved in 1.00 g of carbon tetrachloride (kb = 5.03 C/m)
Write a complete balanced equation for the neutralization reaction between HCl and NaOH.
the first-order rate constant for the decomposition of n2o52n2o5g ---gt4no2g o2gat 70c is 6.82 10 - 3s - 1. suppose
If He(g) has an average kinetic energy of 6410 J/mol under certain conditions, what is the root mean square speed of Cl2(g) molecules under the same conditions?
The column is run with a solvent system based on hexanes, but which becomes more polar with the addition of more and more dichloromethane over time. Predict the elution order.
A copper refinery produces a copper ingot weighing 180lb . If the copper is drawn into wire whose diameter is 8.10 mm , how many feet of copper can be obtained from the ingot? The density of copper is 8.94g/cm3 .
If the sample reacted completely and produced 1931 mL of H2S hydrogen sulfide at 29.82 °C and 759.7 mm Hg, determine the mass percentage of Cadmium sulfide in the mixture?
A particle rotates on the surface of a sphere. The angular momentum of the particle can be considered as a vector starting at the center of the sphere and pointing outward.
The concentration fo certain sodium hydroxide solution was determined phthalate(abbreviated as KHP). KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol.
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