In the Reaction: 2 Al(s) + 6 HCl(aq) → 2

question 90

Multiple Choice

In the reaction: 2 Al(s) + 6 HCl(aq) → 2 AlCl₃(aq) + 3 H₂(g)

• A) 67.2 L of H₂(g) at STP is collected for every mole of Al reacted
• B) 33.6 L of H₂(g) is collected for every mole of Al reacted, regardless of the temperature and pressure
• C) 1.24 cm3 H₂(g) at STP is collected for every milligram of Al reacted
• D) 6 L HCl(aq) is consumed for every 3 L H₂(g) produced
• E) 22.4 L of H₂(g) is produced for every mole of Al reacted

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Definitions:

Stability

The resistance of a chemical substance or compound to undergoing a change in its structure, properties, or composition over time or under certain conditions.

Kinetic Energy

The energy possessed by an object due to its motion, calculable as one-half the mass times the square of its velocity.

Electron Clouds

The region around an atomic nucleus where electrons are likely to be found, representing the electron’s probable location based on quantum mechanics.

Tertiary Hydrogens

Hydrogen atoms attached to a tertiary carbon, which is a carbon atom bonded to three other carbon atoms.