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Lesson 2: How Can Matter Change State?
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Gravity
Terms in this set (6)
Boiling Point
The temperature at which a material changes from a liquid to a gas. For water, this is 100 degrees Celsius (212 degrees Fahrenheit).
Condensation
The process by which a material changes from a gas to a liquid.
Density
How close together the particles of a substance are. Denser materials have particles that are closer together in a given volume; less dense materials have fewer particles, with more space between them, in the same volume.
Evaporation
The process by which a material changes from a liquid to a gas.
Freezing Point
The temperature at which a material changes from a liquid to a solid. For water, this is 0 degrees Celsius (32 degrees Fahrenheit).
Melting Point
The temperature at which a material changes from a solid to a liquid. For water, this is 0 degrees Celsius (32 degrees Fahrenheit).
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Verified questions
PHYSICAL SCIENCE
Choose the letter that best answers the question or completes the statement. When a homemade oil-and-vinegar salad dressing is left standing, it separates into layers. The salad dressing is a a. solution. b. suspension. c. colloid. d. compound.
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What is the most likely mode of decay for each? (a) 15C (b) 120Xe (c) 224Th
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Draw all possible isomers having molecular formula $$ \mathrm { C } _ { 4 } \mathrm { H } _ { 8 } $$ that contain one $$ \pi $$ bond.
CHEMISTRY
A solution is made containing 14.6 g of $$ CH_3OH $$ in 184 g of $$ H_2O $$ Calculate the mass percent of $$ CH_3OH $$