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A man has 50 kg of lipids and eats 1 kg of fish a day, which contains 0.5 ppm of methylmercury. What concentration of methylmercury will his lipids achieve? The number of days methylmercury stays in human lipids is 140 days on average.
A sample of Chlorine gas occupies a colume of 711 mL at pressure of 251 mmHg. Calculate the pressure of the gas (in mmHg) if the volume is reduced at constant temperature to 173 mL in scientific notation
A bottle is labeled only "Compound B (C6H12)" and contains a colorless liquid. You have been called in as an expert to identify this compound from its spectra
A 4.82-L sample of carbon monoxide is collected at 55°C and 0.833 atm. What volume will the gas occupy at 1.05 atm and 25°C?
Using standard reduction potentials, calculate the standard E0 cell, (emf), for each of the following reactions. 1. Show half reactions
The solubility of N2 in blood at 37°C and at a partial pressure of 0.80 atm is 5.6 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.6 atm. Assume that the total volume of blood in the body is 5.0 L. C..
A compound was analyzed and found to contain 40.00% carbon, 6.72% hydrogren, and 53.25% oxygen with a molar mass of 180.0 grams.
guesstimate the extent of the dipole moment of h2o in debye units treating h2o as three point charges. suppose the o-h
when an irregularly shaped chunk of silicon weighing 8.763 g was placed in a graduated cylinder containing 25.00 mL of water, the water level in the cylinder rose to 28.76 mL. What is the density of silicon in g/cm3?
Draw the two stereoisomers formed for the reaction of (E)-2-pentene with bromine in carbon tetrachloride.
You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the reading of 400. counts has diminished to 100. counts after 35.2 minutes, what is the half-life of this substance
What mass of silver chloride would be formed from mixing 250 mL of 0.240 M MgCl2 solution with 200 mL of 0.380 M AgNO3 solution? AgCl FWT = 143.32 g/mol
Describe how collecting pressure and temperature data in a sealed rigid container could be used to determine absolute zero
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