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What is the principle quantum number for the inner transition metals? (the atomic numbers are 57 through 102, called the lanthanide series, some of the elementrs are La and Yb).
What is the n? What is the l?
determine whether or not it is chiral and specify the absoute configuration of any chiral carbons
What is the minimum amount of 6.0 M H2SO4 necessary to produce 20.0 g of H2? according to the following reaction. 2Al(s)+3H2SO4(aq)-->Al2(SO4)3(aq)+3H2(g)
explain why the vitamin tablet is crushed before titrating with the iodate titrant.
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)
If at a given moment O2 is reacting at a rate of 0.317 mol/L s, what is the rate of formation of H2O?
If the gas is at 23C and 1.0 atm, what mass of helium is in the blimp? The Goodyear blimps, which frequently fly over sporting events, hold approximately 1.85×105 ft^3 of helium.
For the reaction, calculate how many moles of the product form when 0.048 moles of O2 completely reacts. Assume that there is more than enough of the other reactant. 4Fe + 3O2 ---> 2Fe2O3
which hydroxide precipitates first as NaOh is slowly added to the solution? b) what is the molar concentration of the first cation precipitated when the other cation just starts to precipitate out of solution?
Calculate the freezing point and boiling point of the solution. Constants may be found here. benzene C6H6 Kf = 5.12 *C/m Freezing Point = 5.49 *C Kb = 2.53 *C/m Normal boiling point = 80.1 *C
What is the molarity of a solution prepared by dissolving 13.1 g of glucose (of MW 180 amu) in 217 mL of solution?
What is the kinetic energy of the emitted electrons whencesium is exposed to UV rays of frequency 1.5x10 15 Hz?
Calculate the pressure inside the graduated cylinder it the height of the water is 5mm higher than the water in the trough. The atmospheric pressure is 760 mm Hg
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