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A disinfectant states that it will kill 99.9% of bacteria if left on for 45 minutes. What percentage of bacteria are killed if the disinfectant is left on only for 5 minutes?
When the following deuterium-labled isomer undergoes elimination, the reaction yields only trans-2-butene and cis-2-butene-2-d.
Consider the base monosodium phosphate and Write the structure of the conjugate acid of this base- ineffective for extracting C7H6O2 from a diethyl ether solution.
The Ksp for BaCO3 is 5.0 x 10-9. What is the molarity of a saturated aqueous solution of BaCO3
Draw a rough sketch of the energy profile for each of the following cases. a. E = +10 kJ/mol, Ea = 25 kJ/mol b. E = -10 kJ/mol, Ea = 50 kJ/mol c.
What is the pH of a buffer that results when 0.50 mole of Na3PO4 is mixed with 0.75 mole of HCl and diluted with water to 1.00 L? The acid dissociation constants for phosphoric acid
An Indy race car can travel 111 m/s. What is the speed of the car in miles per hour? (Given: 1 mi = 1.61 km, and 1 h = 3600 s)
Write balanced net ionic equation for the reactions that take place when the following reagents are mixed together in aqueous solution:
The stereochemistry of the more highly substituted alkenes is difficult to define using the cis and trans designations. Therefore, a more systematic manner of indicating stereochemistry in these systems has been developed that uses an E and Z nome..
A particular reactant decomposes with a half-life of 115 s when its initial concentration is 0.353 M. The same reactant decomposes with a half-life of 225 s when its initial concentration is 0.180 M.
how many grams of sulfur dioxide are produced when 45.0g of thionyl chloride reacts with excess water?
A solution contains .294 M solution sodium cyanide and .0919 M hydrocyanic acid. What is the pH of this solution.
If the average solar insolation in USA = 4.25 kWh m-2 per day , and the area of USA is 9.36 x 1012 m2. Calculate: 1. The total available power in W. 2
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