A laboratory “volcano” can be made from ammonium dichromate (252.07 g/mol). When ignited, the compound decomposes in a fiery display: (NH4)2Cr2O7(s) ➜ N2(g) + 4H2O(g) + Cr2O3(s) If the decomposition produces 315 kJ of heat per mole of ammonium dichromate at constant pressure, how much heat energy would be produced by 28.3 g of the solid? Select one: a.+33.5 kJ b.+40.7 kJ c.–36.4 kJ d.–35.4 kJ
A laboratory “volcano” can be made from ammonium dichromate (252.07 g/mol). When ignited, the compound decomposes in a fiery display: (NH4)2Cr2O7(s) ➜ N2(g) + 4H2O(g) + Cr2O3(s) If the decomposition produces 315 kJ of heat per mole of ammonium dichromate at constant pressure, how much heat energy would be produced by 28.3 g of the solid? Select one: a.+33.5 kJ b.+40.7 kJ c.–36.4 kJ d.–35.4 kJ
General Chemistry - Standalone book (MindTap Course List)
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.132QP
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A laboratory “volcano” can be made from ammonium dichromate (252.07 g/mol). When ignited, the compound decomposes in a fiery display:
(NH4)2Cr2O7(s) ➜ N2(g) + 4H2O(g) + Cr2O3(s)
If the decomposition produces 315 kJ of heat per mole of ammonium dichromate at constant pressure, how much heat energy would be produced by 28.3 g of the solid?
Select one:
a.+33.5 kJ
b.+40.7 kJ
c.–36.4 kJ
d.–35.4 kJ
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