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

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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.