Factors affecting the Rate of Chemical Reactions

A higher concentration of bleach leads to faster bleaching of colored fabric.

• Particle Size or Surface Area

• Temperature

• Concentration

• Catalyst

A crushed antacid tablet dissolves faster in water compared to a whole tablet.

• Particle Size or Surface Area

• Temperature

• Concentration

• Catalyst

In a cup of hot tea, sugar dissolves more slowly when more sugar is added than when less sugar is added.

• Particle Size or Surface Area

• Temperature

• Concentration

• Catalyst

Enzymes act as catalysts to speed up the digestion of food in our bodies.

• Particle Size or Surface Area

• Temperature

• Concentration

• Catalyst

A candle burns more quickly in a hot environment compared to a cold one.

• Particle Size or Surface Area

• Temperature

• Concentration

• Catalyst

Powdered coffee dissolves more rapidly in water than a whole coffee bean.

• Particle Size or Surface Area

• Temperature

• Concentration

• Catalyst

Ice melts faster when placed in a room with higher temperature.

• Particle Size or Surface Area

• Temperature

• Concentration

• Catalyst

Hydrogen peroxide decomposes into water and oxygen gas more rapidly in the presence of a catalyst like manganese dioxide.

• Particle Size or Surface Area

• Temperature

• Concentration

• Catalyst