Naming and Balancing Chemical Reactions Review

Front

In a chemical reaction what quantity is conserved? Options: Mass, Number of Atoms, Number of Compounds, Both Mass and Number of Atoms

Back

Both Mass and Number of Atoms

Front

In the equation, 2Mg + O₂ ---> 2MgO, which are the reactants?

Back

Mg and O

Front

In chemical reactions, the law of conservation of mass is......

Back

obeyed

Front

Balance this equation, Ca + H₂O --> CaO + H₂

Back

Ca + H₂O --> CaO + H₂

Front

Balance this equation, Al₂O₃ ---> Al + O₂

Back

2Al₂O₃ ---> 4Al + 3O₂

Front

What type of reaction is this: CO₂ + H₂O --> H₂CO₃ ?

Back

Synthesis

Front

What type of reaction is this, C₄H₁₂ + O₂ --> H₂O + CO₂?

Back

Combustion

Front

What type of reaction is this: Cl₂ + 2KI _-->  I₂ + 2KCl?

Back

Single Replacement

Front

When a metal reacts with an acid what gas is formed? ex HCl + Zn --->

Back

H₂

Front

Balance this equation:  H₂ + N₂ → NH₃

Back

3H₂ + N₂ → 2NH₃