Classify each change as physical or chemical. (a) A balloon filled with hydrogen gas explodes upon contactwith a spark.(b) The liquid propane in a barbecue evaporates away becausesomeone left the valve open.(c) The liquid propane in a barbecue ignites upon contactwith a spark.(d) Copper metal turns green on exposure to air andwater.
Classify each change as physical or chemical. (a) A balloon filled with hydrogen gas explodes upon contactwith a spark.(b) The liquid propane in a barbecue evaporates away becausesomeone left the valve open.(c) The liquid propane in a barbecue ignites upon contactwith a spark.(d) Copper metal turns green on exposure to air andwater.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter1: Basic Concepts Of Chemistry
Section1.7: Physical And Chemical Changes
Problem 1RC: When camping in the mountains, you boil a pot of water on a campfire to make tea. Which of the...
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Classify each change as physical or chemical.
(a) A balloon filled with hydrogen gas explodes upon contact
with a spark.
(b) The liquid propane in a barbecue evaporates away because
someone left the valve open.
(c) The liquid propane in a barbecue ignites upon contact
with a spark.
(d) Copper metal turns green on exposure to air and
water.
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