Chemistry, 29.06.2019 03:40 victory08

Describe how is thermometer uses the thermal expansion of a material to measure temperature?

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Chemistry, 22.06.2019 21:30

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Chemistry, 23.06.2019 02:00

What causes the appearance of lines in a emission spectrum

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Chemistry, 23.06.2019 04:10

Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction