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Ammonium
Dichromate Volcano
What reaction occurs
when (NH4)2Cr2O7 is decomposed?
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Video
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Ammonium
dichromate, (NH4)2Cr2O7, is an orange
crystalline solid at room temperature. It can be ignited with high
heat, such as that from a bunsen burner. |
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Video
for Windows |
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The orange (NH4)2Cr2O7
is decomposed according to the equation below:
| (NH4)2Cr2O7(s)
----> Cr2O3(s) + N2(g) + 4H2O(g)
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The
dark green solid "volcano" is Cr2O3.
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