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Enthalpy and Thermochemical Equations
Worksheet
Grade Level
Chemistry
11.79 Enthalpy and Thermochemical Equations
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For 2H2O2(l) -> 2H2O(l) + O2(g), Delta H = -196 kJ. If 34.0 g H2O2 is present and 75.0% decomposes, using 34.0 g/mol for H2O2, what is q?
A
-98.0 kJ
B
-73.5 kJ
C
+73.5 kJ
D
-196 kJ
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