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Use the data given to calculate an overall energy change (in kilojoules per mole) for the formation of CsF2 from its elements.
Eea for F = -328
E11 for Cs = +375.7
E12 for Cs = +2422
Heat of sublimation for Cs = 76.1 KJ/mol
Bond dissociation energy for F2 = +158 KJ/mol
Lattice energy for CsF = +740 KJ/mol.
Recall "living" carbon samples show 15.3 d/min*g (carbon). note: CaCO3 is 12.00% carbon, and 14C has a half-life of 5730yr.
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a solution of ammonia and water contains 4.00×1025 water molecules and 8.20×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
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When 36.4 g of calcium and 11.1 g of water are reacted according to the following equation: Ca(s) + 2H2O(l) → Ca(OH)2(s) + H2(g) How many liters of hydrogen gas at a pressure of 727 mm Hg and a temperture of 47.8 °C are produced?
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