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A bottle of concentrated aqueous sulfuric acid is labeled 98.0% (wt/wt) H2SO4 and has a concentration of 18.0 F H2SO4.
a. What volume, in mL, of the reagent should be diluted to give 1.00 L of 1.00 F H2SO4?
b. Calculate the density of 98.0% (wt/wt) H2SO4
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The three molecules naphthalene (C10), anthracene (C14), and tetracene (C18) have spectra shown below. Note that the y-axis is base 10 logarithmic with units of M-1 cm-1. If anthracene is used as a sunblock in sunglasses 1 mm thick
Suppose that the microwave radiation has a wavelength of 10.7 cm. How many photons are required to heat 200. mL of coffee from 25°C to 65°C?
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