Chemical Reactions and Chemical Equations

What does (aq) mean in a chemical reaction?

• Ag

• silver

• aqualirious

• aqueous

Si + S₈ --> Si₂S₄

• Synthesis (combination)

• Decomposition

• Single replacement

• Double replacement

Tags

NGSS.MS-PS1-5

What are always the product(s) for the combustion of a hydrocarbon?

• O₂

• Acids and Bases

• H₂O and CO₂

• H₂ and C

Which type of reaction can be recognized by the general pattern?

• combustion

• single replacement

• composition

• decomposition

Description of a reaction using element symbols and chemical formulas.

• chemical equation

• chemical bond

• chemical reaction

• chemical balance

Tags

NGSS.MS-PS1-1

Number placed in front of an element symbol or chemical formula in an equation.

• coefficient

• product

• reactant

• synthesis

States that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction.

• law of conservation of mass

• law of superposition

• law of gravity

• law of conservation of energy

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

New substance produced by a chemical reaction.

• product

• reactant

• coefficient

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Describes a reaction in which the negative ions in two compounds switch places, forming two new compounds.

• combustion

• decomposition

• double replacement

• single replacement

Substance that increases the reaction rate by lowering the activation energy of a reaction.

• catalyst

• endothermic

• enzyme

• inhibitor