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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, 23.06.2019 09:00, notearslefttocry14
What sources of error may have contributed to the percent yield not being 100 percent? think about things that may have led to inaccurate measurements or where mass of the product could have been lost if this experiment was conducted in a physical laboratory.
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Chemistry, 23.06.2019 16:30, cbaldwin6605
This is the si unit for force meter liter newton m/s/s
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Chemistry, 23.06.2019 18:00, coopyishome
Which of the following hydrocarbons will most likely be found around cows? a. ethane b. methane c. octane d. decane
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Are earthquakes scattered all over the world or do they seem to occur near each other (in groups)?...
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