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Explain if a water tower containing 4000 m3 of water has been taken out of service to install a chlorine monitor. If the concentration of chlorine in the water tower was 2.0 mg/L while the tower was taken out of service. If the chlorine decays by first-order kinetics with a rate constant k=1.0 d-1, explain what is the chlorine concentration when the tank is put back in service eight hours later? Explain what mass of chlorine in kg must be added to the tank to raise the chlorine level back to 2.0 mg/L? You may presume the tank is a completely mixed batch reactor.
What is the net redox reaction that occurs when Pt comes into contact with acidic KMnO4
Bromocresol green, Ka = 2.0x10^-5, is yellow in its protonated form (HX) and blue in its ionized form (X^-). At what pH will bromocresol green be a perfect green color
mg3n2 6h2o rarr 3mgoh2 2nh3when 2.00 moles of h2o react how many grams of nh3 are
The complete conversion of 2-phenylacetic acid to ethyl-2-phenylacetate in this experiment is the result of. Ethanol being in excess relative to 2-phenylacetic acid
what is simple experiment can be performed to confirm that baking soda changes
Treat 250.0 g of Ca3(PO4)2 with 150.0 g of H2SO4. How many grams of superphosphate could be formed?
Define the mass of silver deposited on a spoon during electroplating is .904mg explain how much electric charge passed through the cell
adenosine triphosphate atp is used to generate chemical energy in plant and animal cells. the molecular formula for atp
In an earlier problem we described the reaction of ammonia with oxygen to form nitrogen monoxide, NO.
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.3 L of 0.45 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.75
1 compute the ph at the temperature of 25 0c of a solution prepared by mixingnbsp 50 ml of 1.60 m sodium hydroxide
A student following the procedure in this experiment prepared three solutions by adding 11.50, 23.00, and 34.50 mL of a 7.60 x 10-2M NaOH solution to 50.00 mL of a .112M solution of a weak acide.
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