A scientist heats an unknown substance in a closed system. The graph
shows the change in temperature over time.
E
D
B
Temperature
С
А
Time
How does the scientist know that the substance goes through a change of
state during the time period labeled B on the graph?
Answers: 3
Chemistry, 22.06.2019 10:30
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
Answers: 1
Chemistry, 22.06.2019 10:30
What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5
Answers: 1
A scientist heats an unknown substance in a closed system. The graph
shows the change in temperatur...
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