'Bond formation releases energy' diaporamas de présentation

Properties of Molecular Substances

Properties of Molecular Substances. Low melting & boiling points Low heats of fusion & vaporization High vapor pressure May be soft, as wax May be crystalline, as sugar (weak lattice, based on dipole-dipole or H bonding) Molecules are neutral. NEVER conduct. Breaking ?. ? Making.

1.16k views • 115 slides

Chapter 5

Chapter 5. The Role of Energy in Chemical Reactions. First Law of Thermodynamics. Energy is conserved . It is neither created nor destroyed. Implication: It is transferred from place to place. Energy is echanged in chemical processes.

238 views • 18 slides

241 views • 12 slides

8 th grade Science

8 th grade Science. Chemical and Physical Changes and Reactions. Chemical Changes. Chemical reactions are taking place all around you and even within you Chemical reaction-a change in which one or more substances are converted into new substances (due to rearrangement)

117 views • 10 slides