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The half-life of a certain tranquilizer in the bloodstream is 50 hours. How long will it take for the drug to decay to 82% of the original dosage? Use the exponential decay model A=A0e^kt
1 as well as equilibrium bond length Re of 0.74 Å, approximate the probability of finding the ground state molecule with a bond length of R=2.10±0.01Å. Utilize the midpoint rule to estimate the integral for the probability.
Write balanced net ionic equations (using half-reaction method) for each off the following chemical reactions. Show Work. 1) Solid sodium metal is added to a solution of solfuric acid.
The activity coefficients of the Mg2+ and Cl- ions in this solution. The mean ionic activity coefficients of these ions.
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
A solution was made by taking 1.250g of KMnO4 and dissolving it in enough water to make 1.000 liter of solution. This solution was used to titrate H2C2O4·2H2O, a very pure substance. In acidic media, the reaction is.
A 5.00 cm-tall object is placed 50.0 cm in front of a converging lens whose focal length is 25.0 cm. How tall will the image be
When the 1-bromobutane is first formed it often has a yellow or brown color, but pure 1-bromobutane is colorless. explain why in your own word please
A sample of ammonia, NH3, contains 3.3 x 1021 hydrogen atoms. How many nitrogen atoms are in this sample?
A 10g sample containing an analyte was transferred to a 250 mL flask and diluted to volume. A 10mL aliquot of this solution, diluted to 25mL, yielded a signal of .235 units. A second 10 mL aliquot was spiked with 10mL of 1ppm standard solution of ..
If the synthesis of 1.0 mol of ATP requires a ?G of 37.7 kJ, how many moles of ATP are synthesized per mole of oxygen consumed
determine the final temperature of a gold nugget mass376gthat starts at 398 k and losses 4.85 kj of heat to a snowbank
Explain what was the Conditional Formation Constant for the formation of the EDTA complex for Mg under these conditions?(KMgY2- = 4.9*109)
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