Chemical Interactions: Fireworks & Lavoisier

Select the appropriate vocabulary word given the definition: chemical reaction that transfers chemical energy to the environment in the forms of light, thermal energy, and/or sound

• exothermic reaction

• oxidizer

• pyrotechnics

• limiting factor

Matter is neither gained nor lost in a chemical reaction

• chemical names

• law of conservation of mass

• exothermic reactions

• combustion

Select the appropriate vocabulary word given the definition: a substance that provides an oxygen source for a combustion reaction

• exothermic reaction

• oxidizer

• pyrotechnics

• limiting factor

Select the appropriate vocabulary word given the definition: a field of science that studies explosive exothermic chemical reactions like those used to create fireworks

• exothermic reaction

• oxidizer

• pyrotechnics

• limiting factor

Select the appropriate vocabulary word given the definition: the reactant that is present in the least amount in a reaction, which determines when the reaction stops

• exothermic reaction

• oxidizer

• pyrotechnics

• limiting factor

What were Lavoisiers’ contributions to modern day chemistry, select ALL that apply.

• Chemical naming system

• Law of conservation of mass

• Oxygen (named it and discovered it is key to combustion)

• Creating precise instruments like balances and a gasometer

Sodium reacts with chlorine to produce sodium chloride. Select the balanced chemical equation.

• NaCl(s) → Cl(g) + Na(s)

• Na(s) + CO₂(g) → NaCO₂(s)

• 2Na(s) + Cl₂(g) → 2NaCl(s)

Balance this equation.
_Mg + _Cl₂ --> _MgCl₂

• 1, 2,1
• already balanced
• 2,1,1
• 1,1,2

What are the products of a combustion reaction? Select ALL that apply.

• water (H₂O)

• carbon dioxide (CO₂)

• heat/light/energy

• oxygen (O₂)

What kinds of atoms give fireworks color?

• nonmetals

• metals

• random atoms, does not matter if they are metal or nonmetal

• dyes