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The maximum number of electrons in an atom that can have quantum numbers n=2 and l=1 is: a. 2 b. 4 c. 6 d. 8 [2] Which species is diamagnetic in the ground state? a. N b. Zn2+ c. Cu2+ d. O- [3] What is the maximum number of electrons that can occupy the 5f subshell? a. 10 b. 14 c. 7 d. 2
Solve an equilibrium problem (using an ICE table) to calculate the pH 1)a solution that is 0.13M in NH3 and 0.15M in NH4Cl 2) 185.0 mL of 0.12M C2H5NH2 with 265 mL of 0.20M C2H5NH3Cl
The normal boiling point of methanol is 64.7 degrees C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 450.7 torr at 64.7 degrees C.
what is the average density of the sun in units of grams per cubic centimeter? The volume of a sphere is (4/3)?^3.
This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed to generate 143L of H2 gas if the pressure of H2 is 823torr at 21de..
an organic liquid is a mixture of methyl alcohol and ethyl alcohol. a 0.220g sample of the liquid is burned in an
the concentration of nitrogen in the steel at the high-pressure surface is 4 kg/m3. How far into the sheet from this high-pressure side will the concentration be 1.8 kg/m3?
Reactions of alcohols with hydrogen halides yield the important class of compound known as alky halides. Reactivity towards the hydrogen halides with an alcohol decreases
Using resonance structures, show why the NH2 group of aniline is an ortho/para director in electrophilic aromatic substitution
It takes 55.0 J to raise the temperature of an 11.7 g piece of unknown metal from 13.0 C to 25.0C. What is the specific heat for the metal?
Convert the 5 mM fumaric acid in a waste stream into malate using fumarase immobilized on nonporous spherical particles. The enzyme has a turnover number of 23/sec, and a Km of 1.55 mM. The immobilized enzyme particles are 1 mm in diameter
How can one decompose superabsorbent polymers? That is how can one make the dry crystals smaller?
Gallium crystallizes in a primitive cubic unit cell. The length of the unit cell edge is 3.70A. The radius of a Ga atom is how many A
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