Chapter 3: Problem 17
What is the mass in grams of a single atom of each of the following elements? (a) \(\mathrm{Hg}\), (b) Ne.
Chapter 3: Problem 17
What is the mass in grams of a single atom of each of the following elements? (a) \(\mathrm{Hg}\), (b) Ne.
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Get started for freeWhy is the actual yield of a reaction almost always smaller than the theoretical yield?
The fertilizer ammonium sulfate \(\left[\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\right]\) is prepared by the reaction between ammonia (NH \(_{3}\) ) and sulfuric acid:$$2 \mathrm{NH}_{3}(g)+\mathrm{H}_{2} \mathrm{SO}_{4}(a q) \longrightarrow\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}(a q)$$How many kilograms of \(\mathrm{NH}_{3}\) are needed to produce \(1.00 \times 10^{5} \mathrm{~kg}\) of \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4} ?\)
Without doing any detailed calculations, arrange the following substances in the increasing order of number of moles: \(20.0 \mathrm{~g} \mathrm{Cl}, 35.0 \mathrm{~g} \mathrm{Br},\) and\(94.0 \mathrm{~g} \mathrm{I}\)
How many moles of \(\mathrm{O}\) are needed to combine with 0.212 mole of \(\mathrm{C}\) to form (a) \(\mathrm{CO}\) and (b) \(\mathrm{CO}_{2}\) ?
A certain sample of coal contains 1.6 percent sulfur by mass. When the coal is burned, the sulfur is converted to sulfur dioxide. To prevent air pollution, this sulfur dioxide is treated with calcium oxide \((\mathrm{CaO})\) to form calcium sulfite \(\left(\mathrm{CaSO}_{3}\right)\). Calculate the daily mass (in kilograms) of CaO needed by a power plant that uses \(6.60 \times 10^{6} \mathrm{~kg}\) of coal per day.
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