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Sand is converted to pure silicon in a three-step process. The third step is SiCIA(g) + 2Mg(s) 2M9CI2(s) + Si(s) AH = -625.6 kJ
Sand is converted to pure silicon in a three-step process. The third step is SiCIA(g) + 2Mg(s) 2M9CI2(s) + Si(s) AH = -625.6 kJ What is the enthalpy change when 25.0 mol of silicon tetrachloride is converted to elemental silicon? A. 25.0 kJ B. 7820 kJ C. 1.56 X 10* kJ D. 3.13 x 10*kJ E. None of these choices are correct.
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Solution The correct answer is c Explanation In the g...
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Statistics For Engineers And Scientists
Authors: William Navidi
3rd Edition
73376345, 978-0077417581, 77417585, 73376337, 978-0073376332
