AP Chem - U3 Chemical Reactions

What is yielded in a combustion reaction?

• water
• carbon monoxide
• ozone
• carbon dioxide

Which type of chemical equation is used for ions dissolved in aqueous solutions?

• moleculat
• ionic
• net ionic

Which type of chemical equation is used for redox reactions?

• moleculat
• ionic
• net ionic

To balance an equation, you can change the ____ but not the _____.

• subscripts; coefficients
• molecules; atoms
• molecules; moles
• coefficients; subscripts

The first step for writing a chemical equation, after observing a reaction, is to...

• write the reactants and the products
• describe what is happening
• balance the equation
• write the states of matter for each substance

When 2 aqueous solutions are combined and a solid forms within the solution, it is called a...

• redox reaction
• acid-base reaction
• a dissipation reaction
• a precipitate reaction

An ionic equation represents...

• the dissociation of the ions
• the formation of ions
• the polarity of ions
• the ionization energy of molecules

A net ionic equation includes...

• spectator ions
• ions that underwent a change
• neutral atoms only
• molecules that are in the same form on both sides

Measuring the amount of atoms in a reaction is called...

• precipitation
• kinesthesis
• stoichiometry
• electrochemistry

The reason we must balance an equation is summed up in Law of Conservation of ________ .

• energy
• heat
• resources
• mass