Calculate the mass percent of ethane in the original mixture
A 9.767-g gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen. Calculate the mass percent of ethane in the original mixture.
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A proton in a linear accelerator has a de Broglie wavelength of 127 pm. What is the speed of the proton?
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Political quarrels: Describe in a 250-300 word post one of C or the French. Analyze the role of that country's history, geography, political institutions, and its culture in relation to the quarrel.
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