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How much energy would be required to ionize 5.18 mg of Na(g) atoms to Na+(g) ions? The first ionization energy of Na atoms is 496 kJ/mol.
Give two reasons why ethuyl iodide is preferred over ethyl chloride in the Williamson ether synthesis.
at room temp a significant portion of our sample is vaporized so that when the condensed vapor is weighed the flask
The second is defined as a fractional part of a mean solar day. Express one second as a fraction of a mean solar day based on your knowledge that there are 60 s in 1 min, 60 min in 1 h, and 24 h in one mean solar day.
throat lozenges was dissolved in enough water to make 10.0 mL of solution at 25 degrees C. The osmotic pressure of the resulting solution was 4.95 atm. Calculate the molar mass of the compound. Answer in g/mol.
Find the normal boiling point of a saturated solution of LiF at 100C, assuming it undergoes complete dissociation. The solubility of LiF is 230 mg/100 g of water at 100C
in a first order reaction with only one reagent the reaction was started with a concentration of reactant equal to
If none of the available reagents can be used for this purpose, then identify another reagent from the table that could be used. For each reagent you've identified, write down a balanced chemical equation for the reaction that occurs.
in a test tube containing a precipitate of pboh2 in water will the ions from the salt have a reasonable concentration?
When looking at a d8 tanabe-sugano diagram how can you determine the total number of peaks that will be seen in the UV-Vis spectrum of the compound
What volume of 0.455 M KOH must be diluted with water to prepare 2.50 L of a solution having a pH of 12.50
Suppose a 4.00 L nickel reaction container filled with 0.0051 M H2 is connected to a 4.00 L container filled with 0.078 M F2. Calculate the molar concentration of H2 at equilibrium.
Determine thel volume (mL) required to prepare each of the following: a)20.0 mL of a .250 M KNO3 solution from a 6.00 M KNO3 solution. b)25.0 mL of 2.50 M H2SO4 solution using a 12.0 M H2SO4 solution. c).500 L of a 1.50 M NH4Cl solution using a 10..
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