Balancing Chemical Equations (Grade 10 NSC Matric Physical Sciences): Flashcards
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Practise the cards
10 cards from this deck
Law of conservation of mass
Law of conservation of mass
Mass remains constant; matter cannot be created or destroyed
What's equal in balanced chemical equations
What's equal in balanced chemical equations
Number of atoms of each element on both sides
What to change when balancing equations
What to change when balancing equations
Only coefficients, never subscripts
State symbol (s)
State symbol (s)
Solid compounds
State symbol (aq)
State symbol (aq)
Aqueous (water) solution
State symbol (g)
State symbol (g)
Gaseous compounds
State symbol (ℓ)
State symbol (ℓ)
Liquids
Delta (Δ) above arrow in equation
Delta (Δ) above arrow in equation
Heat is needed for the reaction
First step in balancing equations
First step in balancing equations
Identify reactants and products, write chemical formulae
Coefficient in chemical equation
Coefficient in chemical equation
Number in front of the formula