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How many nodal planes does a 4p sublevel contain and why? What is the possible set of quantum numbers for an electron with spin up in the 4d sublevel?
calculate the mass (g) of the excess reactant after thereaction is complete e. calculate the theoretical yeild (g) of 2,2dibromopropane
Explain why lattice energy calculations based on the born mayer equation reproduce the experimentally determined values to within 1 percent for LiCl but only 10 percent for AgCl given that both compounds have the rock salt structure
the freezing point of a CaCl2 solution is -25 degrees C. a) what is the molality(m) of the CaCl2 solution? b) what is the boiling point of the CaCl2 solution
Find the mass of sodium required to produce 5.68 L of hydrogen gas at STP from the reaction described by the following equation: 2 Na + 2 H2O ® 2 NaOH + H2
What is the molality of ethanol in a solution made by dissolving 14.6 g of ethanol, C2H5OH, in 53.6 g of water?
What is the initial pH of this buffer? 2. What is the pH of the buffer in question
Permanganate ions, MnO4-, oxidize acetaldehyde, CH3CHO, to acetic acid CH3CO2H, and are reduced to MnO2. The reaction takes place in acidic solution.
Sulfur, S8, combines with oxygen at elevated temperatures to form sulfur dioxide. If 288 oxygen molecules are used up in this reaction, how many sulfur molecules reacted. In the reaction above, how many molecules of sulfur dioxide were formed.
Determine what volume of 1.0 mol/L solution of Copper monosulfide can be made from 23.9 grams of Copper monosulfide?
During a period of discharge of a lead-acid battery, 402g of Pb from the anode is converted into PbSO4.
If a contemporary wooden chair were somehow preserved to for the next 3,900 years, what C-14 dacay rate should be expected from the wood used to make the chair? (t1/2 = 5730)
Calculate w (in kJ) when 597 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 459 K:
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