chem midterm review pkt

\
<
\
^^What is chemistry^^: the study of the composition of matter and changes that matter undergoes

\
^^what is mass:^^ the amount of matter in an object; typical unit is gram

\
^^what is volume^^: how much space an object takes up; typical unit is L or cm^3

\
^^how does the composition of a pure compound differ from that of a mixture:^^ pure compounds are substances made out of repeated elements, with 100% of the matererial made from the same formula, that cannot be separated; mixture is a combination of different materials/elements in a substance that can be separated and are different throughout the mixture

\
^^define physical property:^^ a property/trait/action that doesn’t change the identity of the substance

\
^^define chemical property^^: a property/trait/action that does change the identity of the substance

\
^^is a piece of wood being sawed in half a chemical of physical property:^^ physical

\
^^is milk turning sour a physical or chemical property:^^ chemical

\
^^when metled butter solidifies in the refridgerator, what type of reaction takes place:^^ physical

\
^^is melting an ice cube physical or chemical:^^ physical

\
^^is burning a piece of paper chemical or physical:^^ chemical

\
^^is sharpening a pencil chemical or physical^^: physical

\
^^is dissolving sugar in water chemical or physical^^: physical

\
^^is decomposing hydrogen peroxide physical of chemical:^^ physical

\
^^what is an intensive property vs an extensive property:^^ intensive properties do not rely on the amount; extensive properties does rely on the amount

\
^^is mass extensive or intensive:^^ extensive

\
^^is boiling point extensive or intensive^^: intensive

\
^^is density extensive or intensive^^: intensive

\
^^is color extensive or intensive^^: intensive

\
^^classify coke:^^ homogenous mixture

\
^^classify iron (II) nitrate^^: pure compound

\
^^classify silver:^^ pure element’

\
^^classify milk^^: homogenous mixture

\
^^classify lucky charms^^: heterogenous mixture

\
^^classify jello with fruit^^: hetergenous mixture

\
[[chapter 3[[

\
\
\
\
\
\
\

Knowt

5.0(1)

Generate Practice test

Chat with Kai