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OpenStudy (anonymous):
Given the equation Si(s) + 2Cl2(g) → SiCl2(g) ?SiCl2(l) + 687 kJ, how much heat is produced when 106 g of Cl2 react? A. 7.28 × 10^4 kJ B. 513 kJ C. 360 kJ D. 180 kJ
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OpenStudy (rina.r):
72.3 kJ/2mol MgO x 5/2 mol MgO = 180.75kJ 106g / 70.90g/mol Cl2 x 687kJ/2molCl2 = 513.55kJ
OpenStudy (rina.r):
so now u can figure out which is the answer.
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