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A 2.0-liter volume of hydrogen gas combined with 1.0 liter of oxygen gas to produce 2.0 liters of water vapor. Does oxygen undergo a chemical or physical change?
chemical change.
01:04
Kevin C.
Chemistry 101
Chapter 1
Essential Ideas
Intro to Chemistry
Carleton College
Drexel University
University of Maryland - University College
Lectures
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This question we're told that we have two liters of hydrogen gas combined with one leader of oxygen gas to produce two liters of water vapor. This signifies that a chemical reaction is taking place. Mhm. Balance the reaction. We have two L of hydrogen gas with one leader of oxygen gas producing two liters of water vapor and the given reaction. Yeah. Above. Yeah. Mhm. Oxygen is combining with hydrogen. Mhm. Yeah. To form water vapor. Mhm. Since a new substances form, Yeah. Mhm. Mhm. Mhm. Mhm. Okay. This is a chemical change. Okay. Okay. Yeah.
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