5. Physical and Chemical Change
... place. Gases are produced, but the gases are not water. They are oxygen and hydrogen, the substances that make up water. In the space shuttle’s main engines, liquid oxygen and liquid hydrogen are mixed and burned as a fuel. Water—a new substance—is produced. Changes in which one or more new substanc ...
... place. Gases are produced, but the gases are not water. They are oxygen and hydrogen, the substances that make up water. In the space shuttle’s main engines, liquid oxygen and liquid hydrogen are mixed and burned as a fuel. Water—a new substance—is produced. Changes in which one or more new substanc ...
electric potential energy
... Like all potential energies, when it goes up the configuration is less stable; when it goes down, the configuration is more stable. ...
... Like all potential energies, when it goes up the configuration is less stable; when it goes down, the configuration is more stable. ...
Elements can be broken down by chemical reactions
... are melting, freezing, condensing, breaking, crushing, cutting, and bending. Chemical change (chemical reactions) is a change that results in the production of another substance. When you burn a log in a fireplace, you are carrying out a chemical reaction that releases carbon. When you light your Bu ...
... are melting, freezing, condensing, breaking, crushing, cutting, and bending. Chemical change (chemical reactions) is a change that results in the production of another substance. When you burn a log in a fireplace, you are carrying out a chemical reaction that releases carbon. When you light your Bu ...
Chapter 2: Chemical Reactions Section 1
... substance that describes its ability to change into other substances Examples: burning magnesium, rusting Substances that undergo chemical changes – reactants The new substance formed product ...
... substance that describes its ability to change into other substances Examples: burning magnesium, rusting Substances that undergo chemical changes – reactants The new substance formed product ...
Unit 1 CHEMISTRY OVERVIEW: Matter and Measurement Important
... 8. Use conversion factors (equivalence statement) to change from one unit to another. [Want over have] 9. Solve conversions for how answer looks [Bigger/Smaller], Conversion factor, and final answer. 10. Be able to distinguish between qualitative and quantitative measurements. 11. Know the differenc ...
... 8. Use conversion factors (equivalence statement) to change from one unit to another. [Want over have] 9. Solve conversions for how answer looks [Bigger/Smaller], Conversion factor, and final answer. 10. Be able to distinguish between qualitative and quantitative measurements. 11. Know the differenc ...
Chemical Reactions
... • Lavoisier is known as the Father of Modern Chemistry for this work along with the work he did on types of reactions • Wrote a book called “Elements of Chemistry” in 1790 • He developed the nomenclature we use today to describe chemical compounds and reactions. ...
... • Lavoisier is known as the Father of Modern Chemistry for this work along with the work he did on types of reactions • Wrote a book called “Elements of Chemistry” in 1790 • He developed the nomenclature we use today to describe chemical compounds and reactions. ...
Electrochemistry I
... that we have two different solutions in direct contact with each other. This could probably be done by placing a felt divider (or some other barrier which will allow the movement of electricity, but not allow the solutions to mix) between the two solutions, but it would create problems. The Cu2+ and ...
... that we have two different solutions in direct contact with each other. This could probably be done by placing a felt divider (or some other barrier which will allow the movement of electricity, but not allow the solutions to mix) between the two solutions, but it would create problems. The Cu2+ and ...
FHN - Chemical and Physical Changes
... change, but the substances in the material stay the same. Change in state Solid melting to a liquid Liquid evaporating to a gas Gas condensing to a liquid Liquid freezing into a solid Usually occur with a change in temperature Can also be when a substance dissolves in a liquid, but doe ...
... change, but the substances in the material stay the same. Change in state Solid melting to a liquid Liquid evaporating to a gas Gas condensing to a liquid Liquid freezing into a solid Usually occur with a change in temperature Can also be when a substance dissolves in a liquid, but doe ...
Chemistry Final Study Guide
... 43. The three major categories of elements on the periodic table are the __________, __________, and __________. 44. The first group on the periodic table is called the __________ __________, and they are very reactive due to the fact that they tend to lose one __________. 45. Electrons in the outer ...
... 43. The three major categories of elements on the periodic table are the __________, __________, and __________. 44. The first group on the periodic table is called the __________ __________, and they are very reactive due to the fact that they tend to lose one __________. 45. Electrons in the outer ...
Chemical reactions unit
... same temperature & have less opportunity to collide with other molecules. b. Nature of reactant: Why? Some molecules must fit together in a certain way in order to react. ...
... same temperature & have less opportunity to collide with other molecules. b. Nature of reactant: Why? Some molecules must fit together in a certain way in order to react. ...
Name__________________________________ Block______
... 2._____ a change during which one of the substances in a material changes into a different substance 3._____ can sometimes be a reversible change 4._____ a change that is not easily reversible 5._____ a melting ice cube 6._____ a broken piece of chalk 7._____ a burning cigarette 8._____ mixing sugar ...
... 2._____ a change during which one of the substances in a material changes into a different substance 3._____ can sometimes be a reversible change 4._____ a change that is not easily reversible 5._____ a melting ice cube 6._____ a broken piece of chalk 7._____ a burning cigarette 8._____ mixing sugar ...
Document
... A vapor is the gaseous state of a substance that is generally a liquid or solid at room temperature (i.e.water vapor). ...
... A vapor is the gaseous state of a substance that is generally a liquid or solid at room temperature (i.e.water vapor). ...