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How many grams of argon would it take to fill a light bulb with a volume of 0.475L at STP?
Arrange the following solutions in order of decreasing freezing point: 0.20 m Fe(OH)2, 0.15 m C6H6, 0.10 m K3PO4, 0.15 m CH3COOH, 0.35 m KBr.
If you start with 0.048 M I2 at this temperature, how much will remain after 5.29 s assuming that the iodine atoms do not recombine to form I2 _ M
How does a base, such as NaOH, help to catalyze the benzoin condensation when thiamine is present
gaseous carbon dioxide and liquid water react in the presence of chlorophyll to produce aqueous glucose (c6h12o6 ) and oxygen gas.
A 325-mL sample of solution contains 25.3 g of CaCl2, which is fully dissolved. Calculate the molar concentration of Cl- in this solution.
Calculate the pressure exerted by 20 gram-moles of ammonia at 300 K in a 5-liter container, using : a. the ideal gas equation b. the SRK equation
A buffer contains significant amounts of acetic acid and sodium acetate. Write an equation showing how this buffer neutralizes added acid and added bases
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
Hypochlorous acid is a weak acid with pKa= 7.41 suppose a 45.00ml sample of 0.240 M HOCL solution is titrated with a 0.250 M standard KOH solution. what is the PH of the equivalence point
calculate how many grams of the product form when 2.6g of CaO completely reacts CaO(s)+CO 2 (g)?CaCO 3 (s) For the reaction, calculate how many grams of the product form when 2.6g
What is the heat of vaporization of a if 215mol of the liquid required 2040J of energy to vaporize at its boiling point
ketones react with dimethylsulfonium methylide to yield epoxides by a mechanism that involves (1) an initial nucleophilic addition followed by (2) an intramolecular Sn2 substituition, Show the mechanism.
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