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Chemistry, 21.06.2019 17:40
In the reading, yao chen-yuan describes traveling to deliver a message. why was he willing to risk danger to travelto tientsin? he wanted to the boxers with their cause
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Chemistry, 21.06.2019 22:20
One or more substances changing into one or more substances is an example of a
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Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
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Chemistry, 22.06.2019 15:10
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
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a chemical reaction goes twice as fast if the temperature is increased the by 10 degrees at 5 degree...
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