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The concentration of a chemical degrades in water according to first-order kinetics.The degradation constant 0.2 day^-1.If the initil concentration is 100.0 mg.L^-1.how many days are required for the concentration to reach 0.14 mg.L^-1?
what is the density of a sulfuric acid solution if 10.00 ml has a mass of
Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you do the following? (a) Decrease the volume to one third the original volume while holding the temperature constant.
0.10 m potassium chromate is slowly added to a solution containing 0.50 m agno3 and 0.50 m bano32. what is the ag
Carbon-dating evaluates the ratio of radioactive carbon-14 to stable carbon-12. Given the amount of carbon-12 contained a measured sample cut from the document, there would have been about 1.3 × 10-12 grams of carbon-14 in the sample when the parc..
The titration of a 23 ml sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine the following? the initial pH, the volume of added base required to reach the equivalence point
How does one make 3-bromopropanol from propanol. What are the reagents needed for this reaction
Separation scheme for isolating benzoic acid, Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard
When measuring the boiling point of a compound, why is the micro boiling point determined at the point when the last bubble has left the bottom of the bell and the liquid begins to rise in the bell
The air in a 5.00-L tank has a pressure of 1.20 atm. What is the new pressure, in atm, of the air when the air is placed in tanks that have the following volumes if there is no change in temperature? a) 1.00 L. b) 2500. mL. c) 750. mL. d) 8.0 L.
f gas reacts with nh3 gas to produce n2f4 tetrafluorohydrazine or dinitrogen tetrafluoridenbspand hfhydrogen fluoride.
If you have 260.0 mL of water at 25. C and add 110.0 mL of water at 95.0 C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
The standard entropy of Pb(s) at 298.15k is 64.80 jk-1 mol-1. assume that the heat capacity of Pb(s) is given by Cp,m (Pb,l)/jk-1mol-1 = 32.51 -.00301 t/k. calculate the standard entropy of Pb (l) at 650 C. calculate delta H for the transformation..
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