KMT Day 1

Sulfur

Juice

Salt water

Salt

Mixture

Pure Substance

do not change during a chemical reaction.

can only be observed by the sense of sight.

can be observed even if the substance is divide into 2 parts.

All of the Above.

CH_{4 (g)} + O₂ (g)--> H₂O (l) + CO₂(g)

CO_{2 (g)} + Na⁺ _(aq) --> Na⁺ _(aq) + CO_{2 (g)}

KNO₃ + NaCl --> KCl + NaNO₃

HCl + Br₂ --> BrCl + H₂

Physical 

Chemical

Chemical Property

Physical Property

Physical property

Chemical property

 Iron is oxidized to iron oxide

Aluminum metal is pounded into thin sheets

Copper reacts with a strong acid

Sodium metal explodes on contact with water

burning the sugar cube with a match

crushing the sugar cube and dissolving it in water

dehydrating the sugar cube with sulfuric acid

chewing the sugar cube and digesting it

ripping up the paper

folding the paper into an airplane

drawing on the paper

 all of these

"yields, or produces"

"dissolved in water"

"forms a precipitate"

"released as a gas"

physical change

chemical change

physical change

chemical change

physical change

chemical change

physical change

chemical change

physical change

chemical change

8

12

24

40

Reactants

Products 

Yields 

Chemical Equation 

28 g

4g

30g

12g