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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A 28.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings
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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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Calculate the formation change CaF2(The sublimation energy for is +178.2, = +589.8, = +1145, and the lattice energy of is 2630 .)
Carbon dioxide at 223°C and 43 atm flows into the reactor at a rate of 600. L/min. What mass of urea is produced per minute by this reaction assuming 100% yield?
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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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How would I respond to this discussion in casual language and please make sure his conversational without AI detection.