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Hydrogen gas (H₂)

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AP Chemistry

Definition

Hydrogen gas is a diatomic molecule made up of two hydrogen atoms bonded together. It is a colorless, odorless gas and is the lightest element on the periodic table.

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Practice Questions (1)

The reaction between hydrogen gas (H₂) and chlorine gas (Cl₂) to form hydrogen chloride (HCl) has a ΔH value of -92.3 kJ/mol. What is the ΔH for the reaction: 2HCl(g) → H₂(g) + Cl₂(g)?

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Hydrogen gas (H₂)

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AP Chemistry

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Practice Questions (1)

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Hydrogen gas (H₂)

from class:

AP Chemistry

Definition

Related terms

"Hydrogen gas (H₂)" also found in:

Practice Questions (1)

© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.

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