Moles : a counting unit in chemistry What is a mole? Why do we use moles? Mole calculations
H2CH2C H2CH2C H2CH2C H2CH2C H2CH2C H2CH2C H2CH2C CH 2.
Chapter 8 Chemical Reactions. Physical Change In a physical change, The identity and composition of the substance do not change The state can change or.
The Mole
Chapter 9 Chemical Reactions. Chapter 9 Slide 2 of 37 Physical Change In a physical change, The identity and composition of the substance do not change.
Quantities in Chemical Reactions
Moles
chapt11glencoe1
