Ch_3.1 - Reactants Zn I Reactants Zn I 2 Product Zn I Product Zn I 2 Chemical equations depict the kind of Chemical equations depict the kind of

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Reactants: Zn + I Reactants: Zn + I 2 Product: Zn I Product: Zn I 2 Chemical equations depict the kind of Chemical equations depict the kind of reactants reactants and and products products and their relative and their relative amounts in a reaction. amounts in a reaction. 4 Al(s) + 3 O 4 Al(s) + 3 O 2 2 (g) ---> 2 (g) ---> 2 Al Al 2 2 O O 3 3 (s) (s) The numbers in the front are called The numbers in the front are called s s toichiometric coefficients. toichiometric coefficients. The letters (s), (g), and (l) are the physical The letters (s), (g), and (l) are the physical states of compounds. states of compounds. Subscripts tell the number of atoms of each element in a molecule Coefficients tell the number of molecules Because the same atoms are present in a Because the same atoms are present in a reaction at the beginning and at the end, reaction at the beginning and at the end, the amount of matter in a system does not the amount of matter in a system does not change. change. The The La w o f the C o ns e rva tio n o f Ma tte r La w o f the C o ns e rva tio n o f Ma tte r Because of the principle of Because of the principle of the the conservation of matter conservation of matter , , an an equation must be equation must be balanced balanced . . It must have the same It must have the same number of atoms of the number of atoms of the same kind on both sides....
View Full Document

This note was uploaded on 06/17/2008 for the course CHEM 101 taught by Professor Farahh during the Summer '02 term at UNC.

Page1 / 30

Ch_3.1 - Reactants Zn I Reactants Zn I 2 Product Zn I Product Zn I 2 Chemical equations depict the kind of Chemical equations depict the kind of

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online