Phase changes
What are two solutions combined that make a solid?
Pricipate
Describes the way a substance REACTS when it changes
Chemical Properties
Solid to liquid.
Can a pure substance be broken down?
No it has the same composition
What is Chemistry?
Chemistry is the study of matter and how it changes.
When melting happens energy must be?
Added
Characterized of a substance that can be observed WITHOUT changing the substances
Physical Properties
What is the definition of condensation?
Gas to liquid.
What is a compound?
A substance made up of two or more elements.
A substance made up of two or more elements?
Compound
When deposition occurs energy must be?
The mass per unit volume of a substance
Density
What is the definition of deposition?
Gas to solid?
Can a compound be broken down?
Yes
What is Endothermic and Exothermic
Endothermic is a chemical reaction that absorbs energy. Exothermic is a chemical reaction that releases energy.
When a solid turns into a gas what is that called?
Sublimination
Materials ability to allow heat to flow
Conductivity
Liquid to Solid?
Freezing point
What is on the periodic table?
Find the density of a bed that weighs 35000 g and has a volume of 456?
76.75g/ml
What is the definition of 'Phase changes'?
Going from solid to liquid to gas to back. Does not change composition or mass.
Ability of a solid to be hammered based on which scratches the other
Malleability
Liquid to Gas?
Evaporation
Is Kool-aid a mixture?
Yes it is a homogeneous mixture.
What is energy's role in Chemistry?
Energy can be thought of as the ability to move or change matter. Energy must be added or removed to have a phase change.