Thermal Decomposition of Mercury(II) Oxide

2HgO → 2Hg + O2

Genel Bakış

Mercury(II) oxide decomposes when heated to about 500 C into mercury metal and oxygen gas. This reaction is historically significant as it was used by Joseph Priestley in 1774 to discover oxygen. The red powder turns into shiny mercury droplets when heated.

Katılımcılar

Rol Madde Katsayı Hal
Ürün Oxygen O 1 (g)
Ürün Mercury Hg 2 (l)

Günlük Örnek

This reaction is primarily of historical significance, demonstrating a fundamental chemical principle in the discovery of oxygen.

Endüstriyel Önemi

While no longer used industrially, this reaction was crucial to the development of modern chemistry and our understanding of elements and compounds.

Özellikler

Tür
Decomposition
Geri Dönüşümlü
Evet
Enerji
Endotermik
ΔH
181,6 kJ/mol

İlgili Reaksiyonlar

Decomposition of Calcium Hypochlorite Decomposition of Carbonic Acid Decomposition of Nitrous Oxide (Laughing Gas) Decomposition of Barium Peroxide Decomposition of Sodium Bicarbonate Decomposition of Water (Electrolysis) Decomposition of Silver Chloride (Photodecomposition) Thermal Decomposition of Lead(IV) Oxide Decomposition of Hydrogen Peroxide Decomposition of Ammonium Nitrate

Frequently Asked Questions

What is the equation for Thermal Decomposition of Mercury(II) Oxide?
The balanced equation is: 2HgO → 2Hg + O₂.
What type of reaction is Thermal Decomposition of Mercury(II) Oxide?
Thermal Decomposition of Mercury(II) Oxide is a decomposition reaction. It is reversible under certain conditions.
Is Thermal Decomposition of Mercury(II) Oxide exothermic or endothermic?
Thermal Decomposition of Mercury(II) Oxide is endothermic (absorbs energy). The enthalpy change (ΔH) is 181.6 kJ/mol.