Classifying matter and the effects of thermal energy
A teacher slowly stirs 40 grams (g) of table salt (NaCl) into a 100 milliliter (mL) beaker of water (H2O). The beaker is heated on a hot plate until it boils.
As the teacher stirs the Table salt (NaCl) into the beaker of water, the beaker is heated on a hot plate until it boils. Describe the change in the water molecules as thermal energy is added. (Write your explanation using complete sentences.)
What type of matter are the salt (NaCl) and the water (H2O)? (select all that apply: Limit 2 )
Select the best answer that models the resulting liquid when salt is added to the water and stirred. (Select all that apply: Limit 2)
The models below show different kinds of matter. Match each model to its corresponding identity.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
| arrow_right_alt | Mixture of Elements |
| arrow_right_alt | Elements |
| arrow_right_alt | Compounds |
| arrow_right_alt | Mixture of elements and compounds |
| arrow_right_alt | Mixture of compounds |
