Matter & Change (Chem Comm)

This is matter with a definite shape & volume

This is a concise statement that summarizes the results of a broad spectrum of observations

The study of essentially all substances without carbon

SALT WATER: Homogeneous, heterogeneous, element, or compound?

This type of matter consists of a physical blend of 2 or more substances

DRY ICE (CO₂) Homogeneous, heterogeneous, element, or compound?

This is when one or more substances change into new substances

This type of change alters a substance without changing its composition

This is anything that takes up space and has mass

These are the starting substances in a reaction

This picture best represents which state of mater?

This is a quality of condition of a substance's composition

The study of essentially all substances containing carbon

This is a form of matter that flows, has a fixed volume, and takes the shape of its container

This type of mixture is not uniform throughout

HAND SANITIZER: Homogeneous, heterogeneous, element, or compound?

PHYSICAL or CHEMICAL CHANGE: A battery corrodes

PHYSICAL or CHEMICAL CHANGE: Iron Rusts

T/F, the words gas and vapor can be used interchangeably

This is part of a system with uniform composition and properties

This is matter that takes both the shape and volume of its container

CHLORINE: Homogeneous, heterogeneous, element, or compound?

IODINE: Homogeneous, heterogeneous, element, or compound?

This is a liquid boiled to produce a vapor that is the condensed again back into a liquid

PHYSICAL or CHEMICAL CHANGE: Silver Tarnishes

Study of composition of substances

TOPSOIL: Homogeneous, heterogeneous, element, or compound?

These are substances that can be separated into simpler substances only by chemical reactions

The new substances formed at the end of a chemical reaction are the...

The study of the composition of substances and the changes they undergo

This type of mixture is uniform throughout

PHYSICAL or CHEMICAL CHANGE: Ice melts

This picture best represents which state of matter?

Th study of chemistry of living things

This is another name for a homogeneous mixture

PHYSICAL or CHEMICAL CHANGE: Iodine Sublimes (Solid -> Gas)

This is a particular kind of matter that has uniform and definite composition

This is an approach to a solution of a scientific problem

BISMUTH: Homogeneous, heterogeneous, element, or compound?

This is a means of testing a hypothesis

This is a proposed reason for what is observed

PHYSICAL or CHEMICAL CHANGE: Ethanol boils

This describes a substance that, although in the gas state, is a liquid or solid at room temp.

This picture best represents which state of matter?

This is a throughly tested explanation of why experiments give certain results

The law of conservation of mass states that matter is not created or...

These are what elements are represented by

SWEET N' LOW: Homogeneous, heterogeneous, element, or compound?

HEXANE: Homogeneous, heterogeneous, element, or compound?

Chemistry concerned with the theories and experiments that describe behavior of chemicals

BROMINE: Homogeneous, heterogeneous, element, or compound?

This is the amount of matter than an object contains

Which of the following is NOT a state of matter?