For each of the following descriptions, decide if the material is likely to be a mixture or a pure compound orelement, and then decide if the process is a chemical or a physical change.a) A clear, colorless, crystalline solid is heated. A pale yellow-green gas is given off and a shiny, malleablemetal was left behind. b) A brown liquid is heated and a colorless, aromatic liquid is produced along with a clear, colorless liquidwhile a brown liquid is left behind in the container. c) Adding sugar to tea causes the tea to taste sweeter. d) A shiny, dark gray metal and a clear colorless gas combine to form a flaky orange solid.
For each of the following descriptions, decide if the material is likely to be a mixture or a pure compound orelement, and then decide if the process is a chemical or a physical change.a) A clear, colorless, crystalline solid is heated. A pale yellow-green gas is given off and a shiny, malleablemetal was left behind. b) A brown liquid is heated and a colorless, aromatic liquid is produced along with a clear, colorless liquidwhile a brown liquid is left behind in the container. c) Adding sugar to tea causes the tea to taste sweeter. d) A shiny, dark gray metal and a clear colorless gas combine to form a flaky orange solid.
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter3: Matter-properties And Changes
Section: Chapter Questions
Problem 107A
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For each of the following descriptions, decide if the material is likely to be a mixture or a pure compound or
element, and then decide if the process is a chemical or a physical change.
a) A clear, colorless, crystalline solid is heated. A pale yellow-green gas is given off and a shiny, malleable
metal was left behind.
b) A brown liquid is heated and a colorless,
while a brown liquid is left behind in the container.
c) Adding sugar to tea causes the tea to taste sweeter.
d) A shiny, dark gray metal and a clear colorless gas combine to form a flaky orange solid.
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