Chemistry, 03.12.2021 22:50 lberries08
One mole of solid calcium carbonate decomposes to form solid calcium oxide and carbon dioxide gas. What is the standard entropy change of this reaction, given the absolute entropies for each compound below? \mathrm{CaCO}_{3(s)} \rightarrow \mathrm{CaO}_{(s)}+\mathrm{CO}_{2(g )} \Delta S^{\circ} \text { of } C a O_{(s)}=39.8 \mathrm{~J} / \mathrm{mol} \mathrm{K} \Delta S^{\circ} \text { of } C O_{2(g)}=213.7 \mathrm{~J} / \mathrm{mol} \mathrm{K} \Delta S^{\circ} \text { of } C a C O_{3(s)}=92.9 \mathrm{~J} / \mathrm{mol} \mathrm{K}
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Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.
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One mole of solid calcium carbonate decomposes to form solid calcium oxide and carbon dioxide gas. W...
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