A balanced chemical equation reflects which conservation law(s)?

Answer: All three (mass, atoms, charge) Atoms: each element appears in equal numbers on both sides. Mass: follows from atom conservation. Charge: net charge of both sides must match.

AP Chemistry · Topic 4.4

Physical and Chemical Changes Practice

Part of Chemical Reactions.(TRA-1.D)

Practice questions

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Sample questions

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Sample 1difficulty 1/5
$A balanced chemical equation reflects which conservation law(s)?$
- A
  $All three (mass, atoms, charge)$
  check_circle
- B
  $Atoms only$
- C
  $Mass and electric charge$
- D
  $Mass and atoms$
Why
$Atoms: each element appears in equal numbers on both sides. Mass: follows from atom conservation. Charge: net charge of both sides must match.$
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