Front

What is a double replacement reaction?

Back

A chemical reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What are the general characteristics of double replacement reactions?

Back

They typically occur in aqueous solutions and often produce a precipitate, gas, or water.

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture when two aqueous reactants combine.

Front

What are solubility rules?

Back

Guidelines used to determine whether an ionic compound will dissolve in water.

Front

Is CaSO4 soluble in water?

Back

Yes, according to solubility rules, CaSO4 is soluble.

Front

What does it mean if a compound is insoluble?

Back

It means the compound does not dissolve in water.

Front

What is the significance of diatomic elements?

Back

Diatomic elements exist as molecules composed of two atoms, and they have a subscript of 2 when alone.

Front

What happens when lithium chloride and potassium nitrate are mixed?

Back

No reaction occurs (NR) because both are soluble and do not form a precipitate.

Front

What is the formula for ammonium carbonate?

Back

(NH4)2CO3.

Front

Is (NH4)2CO3 soluble in water?

Back

Yes, it is soluble according to solubility rules.