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If 4.800* 10^-5 mol of uranium-238 will effuse through a hole in 125 seconds, how many mol of uranium-235 will effuse through the same hole in the same amount of time?
A. 4.77*10^-5 molB. 4.80*10^-5 molC. 4.86*10^-5 molD. 4.83*10^-5 molE. 4.74*10^-5 mol
Does nitro compounds cause any harmful effect on living things?
aluminum metal dissolved in hydrochloric acid as follows2als 6hclaq rarr 2alcl3aq 3h2ga. what is the minimum volume
Write the VSEPR Aformula for the N atom as the central atom in glycine. What is the approximate C-N-H bond angle. Explain on the basis of VSEPR theory. What is the approximate O-C-O bond angle. Explain on the basis of VSEPR theory.
Calculate the pressure exerted by 1.0 mol C2H6 behaving as (a) a perfect gas, (b) a van der Waals gas when it is confined under the following conditions: (i) at 273.15 K in 22.414 dm3, (ii) at 1000 K in 100 cm3.
a sample containing 0.35 mol argon gas at a temperature of 13 c and a pressure of 568 torr is heated to 56 c and a
write separate oxidation and reduction half-reaction for the procedure used in the test for nitrate ions.
Consider reactions of the same stoichiometry that are characterized by the following Kc(constant) values. Which reaction will have the smallest amount of product at equilibrium
If several large air bubbles entered the graduated cylinder filled with water when it was inverted into the water trough, what would the effect be on a plot of volume H2(g) vs. mass Mg?
How many grams of benzoic acid would you add to 30 mL of 0.27M sodium benzoate in order to prepare a buffer solution at pH=4.5? Ka of benzoic acid is 6.3E-5.
As a technician in a large pharmaceutical research firm, you need to produce 450.ml of 1.00M potassium phosphate buffer solution of pH = 7.13. The pKa of H2PO4 is 7.21.
Which enzymes of the glycolysis pathway catalyze irreversible reactions
Calculate the number of grams of sulfuric acid present in the mixture after the reaction is complete.
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