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The masses and volumes of two cylinders are mesaured. The mass of cylinder 1 is 1.35 times the mass of cylinder 2. The volume of cylinder 1 is 0.792 times the volume of cylinder 2. If the density of cylinder 1 is 3.8 g/cm3, explain what is the density of cylinder 2?
Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield?
metallic aluminum reacts with at elevated temperatures to form manganese metal and aluminum oxide. a mixture of the two
How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 30.6 moles of water vapor? Express your answer with the appropriate units.
how many atoms of copper are there in this wire?
mgnh4po4.6h2o loses h2o stepwise as it is heated. between 40c and 60c the monohydrate mgnh4po4.h2o is formed and above
In ethanol, with an absorbance of 1.210 (no units) at a wavelength of 530 nm. At this wavelength, the extinction coefficient of rhodamine 6G in EtOH is 116,000M^-1 cm^-1. If I have a 0.100 M solution of rhodamine 6G, what pathlength cell will be n..
A gas mixture of N2 and CO2 has a total pressure of 8.00 atm and contains 12.5 mol of gas. If the partial pressure of N2 is 3.69 atm, how many moles of CO2 are in the mixture
Why should a distilling flask be filled to not more than two-thirds of its capacity at the beginning of a distillation procedure?
If the titrant has a molarity of 0.2750 M and there are 45.00 mL of analyte present, what is the molarity of the analyte?
Provide a structure for the following compound: EI mass spectrum: two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR: ? 1.30 (3H, t J = 7 Hz); ? 1.80 (3H, d, J = 7 Hz); ? 4.23 (2H, q, J = 7 Hz); ? 4.37 (1H, q, ..
question a chem 216 student titrated 5.15 g of an unknown weak acid with 0.92m of naoh. equivalence point was found to
best describes the self-sustaining process of fission with a critical mass of uranium-238?
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