Chemistry HONORS Review

How many different elements are in the compound sodium carbonate

(Na₂ CO₄ )?

C₆H₁₂O₆ + O_{2 --------------} CO_{2 +} H₂O + Energy

How many total atoms are represented in the reactants of this equation?

How many total atoms of oxygen (O) are in a molecule of glucose? (C₆H₁₂O₆ )

Cu + 2AgNO₃ → 2Ag + Cu(NO₃ )₂

How many elements are in the Reactant?

Which compound(s) represents the product(s) in the following equation?

C₃H₈  + 5O₂ → 4H₂O + 3CO₂

Is the following equation balanced or unbalanced?

C₂H₆O + 3O₂ ⟶ 2CO₂  + 3H₂O

Is the equations below balanced or unbalanced?

CuO+ 2H₂O → Cu(OH)2

Is the chemical reaction below balanced or unbalanced?

Ca(OH)₂ + 2HNO₃ → Ca(NO₃ )₂ + H₂O

How do you know a chemical reaction is formed?

What is the Law of Conservation of Mass?

The formula for one molecule of serotonin in shown below.

C₁₀H₁₂N₂O

How many total atoms in all are in a molecule of Serotonin?