1. How was matter and energy conserved in each demonstration? 2. What phase changes did you observe? 3. What kind/s of energy transfers did you notice in each scenario? 4. Identify an example of matter and energy conservation in the world around you.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

All motion is caused by force? true or false