Chapter 2 Matter and Change
... can be used to separate mixtures. Filtration - separates a solid from the liquid in a heterogeneous mixture (by size). ...
... can be used to separate mixtures. Filtration - separates a solid from the liquid in a heterogeneous mixture (by size). ...
1.Concept of the glassy state: 1-1 Definition of glassy state: Glassy
... certain sulphur and selenium compounds are rapidly cooled. Under extreme conditions glass can be made from some oxide free metallic alloys, and many organic liquids transform into a glassy state at low temperatures (e.g. glycerine at –90°C). ...
... certain sulphur and selenium compounds are rapidly cooled. Under extreme conditions glass can be made from some oxide free metallic alloys, and many organic liquids transform into a glassy state at low temperatures (e.g. glycerine at –90°C). ...
Chapter 1
... If you haven’t done so already, you should read pages 3-15 in your textbook. With the reading, slides 6-11, and your notes should be able to complete homework #2. ...
... If you haven’t done so already, you should read pages 3-15 in your textbook. With the reading, slides 6-11, and your notes should be able to complete homework #2. ...
CH03_Tro_LectureNotes - Tutor
... identity and can be separated from one another by physical methods. For example, you can compare two different brands of Italian salad dressing. Both will have oil and water as their main ingredients and both will have particles of herbs and spices floating in them but one would not expect the mixtu ...
... identity and can be separated from one another by physical methods. For example, you can compare two different brands of Italian salad dressing. Both will have oil and water as their main ingredients and both will have particles of herbs and spices floating in them but one would not expect the mixtu ...
Document
... c) the liquid have the same volume d) the liquids have the same density 6. The density of water is 1 gm/ml. An object has a mass of 58 grams. What volume must it have in order to float in water? a) 45 ml b) 50 ml c) 55 ml d) 60 ml 7. Your friends at your lunch table all have different stuff in their ...
... c) the liquid have the same volume d) the liquids have the same density 6. The density of water is 1 gm/ml. An object has a mass of 58 grams. What volume must it have in order to float in water? a) 45 ml b) 50 ml c) 55 ml d) 60 ml 7. Your friends at your lunch table all have different stuff in their ...
Chapter 3
... • Homogeneous = uniform throughout, appears to be one thing – pure substances – solutions (homogeneous mixtures) ...
... • Homogeneous = uniform throughout, appears to be one thing – pure substances – solutions (homogeneous mixtures) ...
Writing formulas and naming ionic bonds
... Another half-life problem • What is the half-life of an isotope if 125 g of a 1000 g sample of the isotope remains after 3.0 years? • To go from 1000 g to 125 g means that 3 half lives have passed. The half life must be 1 year. 1 year (1 half-life= 500 g) 2 year (2 half-lives = 250 g) 3 years (3 ha ...
... Another half-life problem • What is the half-life of an isotope if 125 g of a 1000 g sample of the isotope remains after 3.0 years? • To go from 1000 g to 125 g means that 3 half lives have passed. The half life must be 1 year. 1 year (1 half-life= 500 g) 2 year (2 half-lives = 250 g) 3 years (3 ha ...
Unit 8 Heat Study Guide A change of state is a ___ Process by
... 1. A change of state is a ___ a. Process by which two states of matter co-exist b. Chemical change c. Physical change that converts a substance from one physical form to another 2. Particles in a __________ move slower than particles in a __________. 3. Particles in a ___ vibrate in place. a. Solid ...
... 1. A change of state is a ___ a. Process by which two states of matter co-exist b. Chemical change c. Physical change that converts a substance from one physical form to another 2. Particles in a __________ move slower than particles in a __________. 3. Particles in a ___ vibrate in place. a. Solid ...
ExamView - Untitled.tst
... b. solubility in water d. color 6. Which of the following is an example of a physical change? a. dissolving salt in water c. burning wood into charcoal b. cooking an egg d. rusting iron 7. The change of a substance from a solid directly to a gas is called a. condensation. c. melting. b. evaporation. ...
... b. solubility in water d. color 6. Which of the following is an example of a physical change? a. dissolving salt in water c. burning wood into charcoal b. cooking an egg d. rusting iron 7. The change of a substance from a solid directly to a gas is called a. condensation. c. melting. b. evaporation. ...
OBJECTIVES
... molecule by molecule, thus too small to see the different parts Can occur between any state of matter: gas in gas; liquid in gas; gas in liquid; solid in liquid; solid in solid (alloys), etc. Thus, based on the distribution of their components, mixtures are called homogeneous or heterogeneous. ...
... molecule by molecule, thus too small to see the different parts Can occur between any state of matter: gas in gas; liquid in gas; gas in liquid; solid in liquid; solid in solid (alloys), etc. Thus, based on the distribution of their components, mixtures are called homogeneous or heterogeneous. ...
Why Do Most Plants Need Soil?
... Why Do Most Plants Need Soil? Down and Dirty • Glossary Crossword Puzzle ...
... Why Do Most Plants Need Soil? Down and Dirty • Glossary Crossword Puzzle ...
Chapter 3 Biochemistry page 50
... molecules and one Oxygen molecule • H2O two gas elements combine to form a liquid. • NaCl two deadly elements combine to form table salt. ...
... molecules and one Oxygen molecule • H2O two gas elements combine to form a liquid. • NaCl two deadly elements combine to form table salt. ...
Name - Net Start Class
... C, B, A, D 6. Define viscosity and tell which of the following liquids would have the greatest viscosity. a. Definition - a property related to the resistance of a fluid to flow ...
... C, B, A, D 6. Define viscosity and tell which of the following liquids would have the greatest viscosity. a. Definition - a property related to the resistance of a fluid to flow ...
Week 3 - Help-A-Bull
... of atoms/molecules; • Explains the pressure of gases … heat capacity of metals … average speed of electrons in semiconductors etc. • Assumes that atoms/molecules of gases, liquids, solids are in constant motion when above absolute zero temperature ...
... of atoms/molecules; • Explains the pressure of gases … heat capacity of metals … average speed of electrons in semiconductors etc. • Assumes that atoms/molecules of gases, liquids, solids are in constant motion when above absolute zero temperature ...
Describing Matter
... observed without changing a substance into another. - Chemical properties can be observed only by changing substances into other substances. * The scissors are physically hard, they chemically rusted. 4. A metal melts at 450 degrees C. Is this a physical or chemical property – explain? - Melting is ...
... observed without changing a substance into another. - Chemical properties can be observed only by changing substances into other substances. * The scissors are physically hard, they chemically rusted. 4. A metal melts at 450 degrees C. Is this a physical or chemical property – explain? - Melting is ...
Study Guide Answers
... 1. A change of state is a _c__ a. Process by which two states of matter co-exist b. Chemical change c. Physical change that converts a substance from one physical form to another 2. Particles in a ___solid_______ move slower than particles in a ____liquid or gas______. 3. Particles in a _a__ vibrate ...
... 1. A change of state is a _c__ a. Process by which two states of matter co-exist b. Chemical change c. Physical change that converts a substance from one physical form to another 2. Particles in a ___solid_______ move slower than particles in a ____liquid or gas______. 3. Particles in a _a__ vibrate ...
Matter - Clayton State University
... Properties can also be divided into extensive and intensive Extensive Property - Depends on the amount of sample under investigation Examples mass, volume Intensive Property - Does not depend on the quantity of sample - Determines the identity of the sample Examples melting point, boiling point, den ...
... Properties can also be divided into extensive and intensive Extensive Property - Depends on the amount of sample under investigation Examples mass, volume Intensive Property - Does not depend on the quantity of sample - Determines the identity of the sample Examples melting point, boiling point, den ...
State of matter
In physics, a state of matter is one of the distinct forms that matter takes on. Four states of matter are observable in everyday life: solid, liquid, gas, and plasma. Many other states are known, such as Bose–Einstein condensates and neutron-degenerate matter, but these only occur in extreme situations such as ultra cold or ultra dense matter. Other states, such as quark–gluon plasmas, are believed to be possible but remain theoretical for now. For a complete list of all exotic states of matter, see the list of states of matter.Historically, the distinction is made based on qualitative differences in properties. Matter in the solid state maintains a fixed volume and shape, with component particles (atoms, molecules or ions) close together and fixed into place. Matter in the liquid state maintains a fixed volume, but has a variable shape that adapts to fit its container. Its particles are still close together but move freely. Matter in the gaseous state has both variable volume and shape, adapting both to fit its container. Its particles are neither close together nor fixed in place. Matter in the plasma state has variable volume and shape, but as well as neutral atoms, it contains a significant number of ions and electrons, both of which can move around freely. Plasma is the most common form of visible matter in the universe.The term phase is sometimes used as a synonym for state of matter, but a system can contain several immiscible phases of the same state of matter (see Phase (matter) for more discussion of the difference between the two terms).