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When ammonium dichromate (NH4Cr2O7) and Mercury thiocyanate (HgSCN) are combined, a chemical reaction occurs that produces a dramatic and visually striking effect known as the "Pharaoh's Serpent" or "Pharaoh's Snake." This reaction results in the formation of a dark, snake-like solid that appears to grow and expand rapidly, accompanied by the release of gases such as nitrogen and water vapor. The reaction is exothermic, meaning it releases heat energy, and the resulting solid is primarily composed of mercury sulfide (HgS) and other byproducts.
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What is the reaction between NH4Cr2O7 and HgSCN?
The reaction between NH4Cr2O7 and HgSCN results in the formation of a red precipitate of mercury(II) thiocyanate.
What is NH4Cr2O7?
NH4Cr2O7 is the chemical formula for ammonium dichromate, a compound used in pyrotechnics as a flame colorant. When heated, it decomposes into nitrogen gas, water, and chromium(III) oxide, resulting in a vibrant green flash. Due to its toxic nature and potential for explosion, it is handled with caution.
What happens when acetic acid and sodium chloride are combined?
When acetic acid and sodium chloride are combined, a chemical reaction occurs where the acetic acid reacts with the sodium chloride to form sodium acetate and hydrochloric acid.
What happens when ammonia and bleach are combined?
When ammonia and bleach are combined, they create a toxic gas called chloramine, which can cause respiratory issues and other health problems. It is important to never mix these two chemicals together.
What happens when copper and chlorine ions are combined together?
When copper and chlorine ions are combined, copper chloride is formed. The copper ions (Cu²⁺) will combine with chlorine ions (Cl⁻) to form copper chloride (CuCl₂), a white solid compound.
What is the reaction between NH4Cr2O7 and HgSCN?
The reaction between NH4Cr2O7 and HgSCN results in the formation of a red precipitate of mercury(II) thiocyanate.
What is HgSCN?
what is hgscn chemist isotop
What is NH4Cr2O7?
NH4Cr2O7 is the chemical formula for ammonium dichromate, a compound used in pyrotechnics as a flame colorant. When heated, it decomposes into nitrogen gas, water, and chromium(III) oxide, resulting in a vibrant green flash. Due to its toxic nature and potential for explosion, it is handled with caution.
What happens to blood when it is combined with oxygen?
It clots.
What happens when they are combined?
Please be more specific.
What happens when rennin is combined with sucrose?
Green
What happens when every type of atom is combined?
Atoms make everything so they are all combined.
What happens when certain elements are combined?
Ultimate destruction
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tear gas
What happens if you take cipralex combined with Prozac?
you die
What happens when milk and vinegar are combined?
it becam rare milk
What happens when chloride and HCl are combined?
Any reaction occur.
