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When the ls orbitals of two hydrogen atoms combine to form a hydrogen molecule, which molecular orbitals are formed?
the half-reaction of each electrode, the ions in the anode and cathode compartments and salt bridge, the direction of electron flow, and the direction of ion movement.
a sample of gas has an initial volume of 13.8l at a pressure of 1.26 atm if the sample is compressed to a volume of
What is the purpose of grinding the magnesium before introducing it into the reaction flask?
heat of solution of lithium carbonate is -3.06 kJ/mol solute in 200 moles H2O. What effect would you expect increased temperature to have on the concentration of Li2CO3? Explain
A solution of calcium ions contains 7 meq/250. cm3 of calcium ion. How many moles of calcium ion does this solution contain
The Ksp of mercury(II)hydroxide, Hg(OH)2 IS 3.60*10^-26. Calculate the solubility of this compound in g/L.
Calculate the wavelength of the light emitted when an electron in a hydrogen atom makes each of the following transitions as well as state the region of the electromagnetic spectrum (infrared, visible, ultraviolet, etc.)
How many equivalent resonance forms can be drawn for SO2 without expanding the octet on the sulfur atom? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4 17. In which of these species does the first atom in the chemical formula violate the octet rule? 18. How many e..
when comparing solution of equal concentration, what is the relationship between the pH of an acid solution and the acid's Ka. When comparing solutions of equal concentration, what is the realtionship the pH of a basic solution and the base's kb
Copper (II) sulfate dissolve sin water to form a blue solution. What species are present in the solution, ie, what is actually swimming around in the solution? Write the formulas.
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.
What would the product/structure be if the reaction of methyl benzoate was a subsitution (add H and NO2 to it)?
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