3. Which of the following statements is true for intensive properties? Select all that apply:
A. they can be used to identify the type of matter
B. they are the same for all samples of a type of matter under the same conditions
C. the value is the same for all states of the material
D. every mixture made of the same pure substances has the same intensive properties
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lculating density?

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?