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The bond length of 13 Na 19F is 192.6 pm. calculate the value of B and the spacing between lines in the pure rotational spectrum of this molecule in unit of s^-1?
Iodine-123 is used to establish thyroid gland function. If after 79.8 hours, 1.56% of the original dose remains in the patitent, what is the half-life
Compare the amounts of reactants and products that will be present when the system reaches equilibrium. c.What will happen to the amount of Cl2 in the system if HCl is removed from the mixture. d. For this reaction, will the value of DG be positiv..
what quantity graphed versus time yields a straight line for a zero-order reaction and what is the equation for the half life time. b) identify quantity versus time for a first order reaction and equation for half life.
determine the empirical formula of a substance (Vanillin) that contains 63.15% carbon, 5.30% Hydrogen, and 31.55% oxygen.
1. how much heat is required to warm 123 g of water by 23.0 degrees c?2. the temperature of 55.6 grams of a material
What is the molarity of a solution made by dissolving 2.355g of sulfuric acid in water and diluting to a final volume of 50.0 mL
A pure titanium cube has an edge length of 2.65 .How many titanium atoms does it contain. Titanium has a density of 4.50g/cm^3
What is the density (in grams per liter) of a gas mixture that contains 25.0% F2 and 75.0% He by volume at 768 mm Hg and 25.0 degrees C
What is the molarity of the solution resulting from the dissolution of 209 g glucose (C6H12O6) in 250 mL water
Complete and Balance the following redox equation. MnO4 + H +Br-->Mn2 +Br2 +H2O (acidic Solution). The sum of the smallest whole number coefficients is
The Clear solution is evaporated to half its volume and 12 more drops of 6M hydrochloric acid is added followed by the addition of water until the solution's volume is 2mL. To this solution 1mL of thioacetamide solution added and when the test tub..
Calculate the exact concentration of your sodium hydroxide using the date from each trial separately. determine the average of the three trial
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