Why the substance soluble in alcohol and cyclohexane
The unknown was found to have a boiling point of 57C at 658 mm Hg. A liquid unknown was found to be in soluble in water and soluble in alcohol and cyclohexane; determine the substance?
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After three days sample of radon-222 has decayed to 58% of its original amount. How long will it take sample to decay to 30% of its original amount?
Determine the specific rotation of an unknown if at a concentration of 2.00/10.0 ml. the observed rotation is.500 , using a 1.00 cm cell.
The pure optically active substance Z has a specific rotation of 1500. Determine the % optical purity (enantiomeric excess) of Z and what % Z and Z' does the sample contain?
Calculate the percentages of 35Cl and 37Cl in naturally occurring chlorine when the average atomic mass of chlorine is 35.453 amu.
What error would result in the volume dimension and what would be the effect of this error on the designed density when the air bubbles were trapped in your solid beneath the liquid level in your density determination.
Compare velocity of the raindrop to this velocity. Describe why the raindrop, which has the far greater velocity than bullet, does not harm us.
Explain what solvent would you use to calculate the density of cadmium nitrate? And convert your densities to kg/L and compare these values with those in g/mL.
Discuss the molarity of a barium chloride solution prepared by dissolving 9.9 grams of BaCl2•2(H2O) in enough water to make 334.0 mL of solution?
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Write a letter to the editor on land pollution that threatens the health of individuals living in Guyana, and clearly define the problem.
In this unit, you will learn about physical development in middle childhood and adolescence. In middle childhood, we see important physical changes
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How to make a short discussion with reference and citations. Research Design, Statistical Methods, Variables, Setting/Population/Sample for each of the articles
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