TY  - BOOK
AU  - Norris, Roger
AU  - Ryan, Lawrie; Acaster, David
TI  - Cambridge international as and a level chemistry coursebook
SN  - 9780521126618
U1  - 540 
PY  - 2012///
CY  - New York
PB  - Cambridge University press
KW  - Chemistry; Equations-Moles; Election; Enthalpy change; Reaction
KW  - Science
ER  -