To Hot To Handle! The changing of substances to new products through the formation of new bonds.

To Hot To Handle!

The changing of substances to new products through the formation of new bonds.

Color Change

Evolution of Heat and Light

Production of Gas

Formation of a Precipitate

When 2 or more substances combine to form a

single substance.

2Mg(s) + O2(g) 2MgO(s)

Mg

O2

MgO

This type of reaction was predominantly used in flash bulbs.

heat

When a single compound is broken down into

2 or more products.

2HgO(s) 2Hg(l)

+ O2(g)

heat

HgOheat

HgO2

This type of reaction is used in dynamite.

One element replaces a second element in a compound.

2K(s) + HOH(l) 2KOH(aq) + H2(g)

K

H2OKOH

H2

The exchange of positive ions between 2 reacting compounds.

K2CO3(aq) + BaCl2(aq) 2KCl(aq) + BaCO3(s)

BaCO3(s)

KCl(aq)

When a carbon-containing compound reacts with oxygen to produce carbon dioxide and water.

CH4(g) + 2O2(g) CO2(g) + 2H2O(g)

heat

CH4

O2

CO2

H2O