Find concentration of substance in cuvette with path length
A substance has a molar extinction coefficient of 2.4x104cm-1M-1 and an absorbance of 0.10 What is the concentration of this substance in a cuvette with a 1.0 cm path length?
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A 650.0g sample of zinc ( specific heat= 0.0922 cal/g X degrees Celsius) was cooled from 100.0 degrees Celsius to 29.4 degrees Celsius in a calorimeter cup containing water initially at 21.5 degrees Celsius. Find the mass of water in the cup.
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Explain what advantages we obtain by studying logic in terms of improving our reasoning. consider a debate over whether prayer should be allowefd in public schools. explain what logic can and cannot do
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In an experiment, you use 8.600 g of solvent (FP = 79.3°C; Kf = 5.0°C/m) and 0.780 g of solute (molecular mass = 210.71 g/mol).
Discuss the historical and cultural events that shaped human thought in the late nineteenth and early twentieth centuries. Briefly cover Marx, Darwin, Freud, Nietzsche, and Dostoevsky, moving into the period of the twentieth century.
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How do the current anti-psychotics work on the brain? What are the contraindications of any of the commonly prescribed anti-psychotics?
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Please summarize the following text A first limitation that is inherent in comparing AC ratings and inventory-based self/other-ratings
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