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The concentration of a biomolecule inside a rod-shaped prokaryotic cell is 0.0035 M.Calculate the number of molecules inside the cell, which is 3.5um long and 1.0um ?
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.704 grams of iron and 12.6 mL of 0.581M copper(II) sulfate react to form as much product as possible,
Testing the run off water of PNA (polynuclear aromatic compounds). Which analytical method you will use in each case. Explain your choice
Using the scheme of analysis as a guide, give the formula for a chemical substance that will behave as indicated- Form a precipitate with KCI solution and also with CuCl2-
All useless answers. Shouldn't lose points if answers are not helpful. A 0.4863-g sample of primary standard sodium carbonate (Na2CO3, fw 105.988) was treated with 40.00-mL of a dilute perchloric acid (HClO4, fw 100.458) solution.
A sample of nitrogen gas had a volume of 500.ml, a pressure in its closed container of 740 torr, and a temperature of 25 degrees celsius. What was the new volume of the gas when the temperature was changed to 50 degrees celsius and the new pressur..
the henrys law constant for n2 in water at 25 degrees celsium is 8.4 10-7 mol l-1 mmhg-1.calculate the solubility of
What is a possible formula
we were taught about effective nuclear charge as a result ofshielding but not taught how to calculate it. so my
There are two reason why the enols of beta-dicarbonyl compounds, such as pentane-2,4-dione are relatively stable. One is that they are conjugated and the pi-electron overlap due to the conjugation provides additional stability.
calculate the pH formed by mixing 100 mL of 0.20 M HCL with 50 mL of 0.30 M NaOH.
a 2.5-l sample of a 6.3m nacl solution is diluted to 75l.what is the molarity of the diluted
If a radiation source has an intensity of 650 rem at 1.0 m, what distance is needed to decrease the intensity of expo- sure to below 25 rem, the level at which no effects are detectable
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