Can anyone please help me with this question
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Answers: 3
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Chemistry, 22.06.2019 12:30, ethanw8973
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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Chemistry, 22.06.2019 13:20, alejandra340
Can someone me with 3 and 4 plz. this is for masteries test.
Answers: 2
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