Chemical Equations

What does a double arrow mean in a chemical equation?

• The reaction can occur in both directions

• The reaction has reached equilibrium

• The reaction is one way

• The reaction is exothermic

What does --> mean when written in a chemical equation?

• yields

• this way

• pressure

• equilibrium

What does (s) mean when written into an equation?

• solid

• stasis

• solution

• salmonella

What does (l) mean when written into an equation?

• liquid

• liters

• length

• lordosis

What does (g) mean when written into a chemical equation

• gas

• grams

• gallons

• gallstones

What is a catalyst?

• A chemical that slows down the reaction rate

• A chemical that speeds up the reaction rate

• A chemical that heats up the reaction

• A chemical that cools down the reaction

If a chemical is written above the arrow, as above, what does that mean?

• The chemical is a catalyst

• The chemical was lost in the reaction

• The chemical was heated

• The chemical was an inhibitor

What does the above symbol mean?

• Change in solution

• Heat was added

• Equilibrium

• Aqueous solution

What does (aq) mean in a chemical equation?

• aqueous-dissolved in water

• aqueous-liquid

• aqueous-steam

• aqueous-solid