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Hydrogen Gas

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AP Chemistry

Definition

Hydrogen gas refers to a diatomic molecule composed of two hydrogen atoms bonded together (H₂). It is highly flammable and lighter than air.

"Hydrogen Gas" also found in:

Subjects (2)

Practice Questions (5)

If 44.8 L of hydrogen gas is produced through a reaction, what mass of zinc was reacted? Assume a 1:1 ratio between hydrogen gas and zinc.
A hydrocarbon has decomposed into 10g hydrogen gas and 24g carbon. What is the formula for the hydrocarbon?
What is the entropy difference between 1 mol of hydrogen gas (H₂) and 1 mol of oxygen (O₂) at the same conditions?
A reaction vessel is filled such that the concentration of hydrogen gas, chlorine gas, and hydrogen chloride each have a partial pressure of 1.0 atm. What happens to the total pressure of the reaction vessel as the reaction proceeds to equilibrium?
5 mols of hydrogen gas fill 900mL in a glass container. Assuming standard temperature and pressure, what is the density of this gas?

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