Types of Matter
Elements and Compounds are an example of what type of substance?
Pure substance
Distillation is a separation technique that takes advantage of the difference in ____________ of the components in the mixture.
Boiling point
List three physical properties
Boiling Point
Melting Point
Solubility
Malleability
Ductility
Luster
Conductivity
Color
Density
Mass
What is the name of the phase change from solid to liquid?
Melting
What is the term for the measure of the average kinetic energy of a system?
Temperature
Your picture should look like clusters of identical objects in shape, size, and color next to another cluster of objects of a different shape, size and/or color.
What would be the best method for separating solid tea leaves from a pot of liquid tea?
Filtration
_______________ is the ability of a substance to be drawn into wires without breaking.
Ductility
Which phase of matter has fixed volume but takes the shape of it’s container?
Liquid... or a cat
Cindy heated a pot of hot water to make ramen by transferring heat to the water using a stove top. The water then started to boil. If the water is the system, is this process endothermic or exothermic?
Endothermic.
The water is absorbing energy
Salt is completely dissolved in water. In this mixture, water is the _______________.
Solvent
Liquid Isopropyl Alcohol (boiling point of 82.6 C) and liquid water (boiling point of 100 C) are mixed together to form a homogenous mixture. What is the best technique for separating this mixture?
Distilation
Rusting, decomposing, cooking, explosions are all examples of what type of change?
Chemical change
Which phase of matter has particles that are tightly packed together and vibrating?
Solid
When heat flows from the system to the surroundings, the system is ____________________.
Exothermic.
Energy is released
What type of mixture has larg particles (>1000 nm) that are not dissolved?
Suspensions
Which technique involves pouring a less dense substance out of a container, leaving the more dense substance behind?
Decantation
As pressure increases, the boiling point of a substance will ______________ while the melting point of a substance will ______________.
increase, decrease
What is the name of the phase change from a gas to a solid?
Deposition
Condensation, freezing, and deposition are all examples of what type of phase change?
Exothermic phase change.
The particles are releasing energy as they come together to form liquid and gas.
Compounds have ____________ composition and mixtures have ______________ composition.
fixed, variable
Decantation and Filtration are separation techniques used to separate what substances?
Heterogeneous mixtures
List 3 chemical properties
Ability to Rust
Flammability
Reactivity
Toxicity
Which phase(s) of matter take the shape of its container?
New bonds forming in a reaction is an example of a(n) _______________________?
Exothermic process