7) What property (behavior) of the substances are you exploiting in each case? E

Question

7) What property (behavior) of the substances are you exploiting in each case? Explairn. a) b) 8) An explorer finds a huge container with a clear liquid, colorless liquid in it. He assumes it is water, but to be certain, he boils it and finds out that it boils at 100°C. He also measure its mass and volume to obtain the density, which he determines to be 1.0 g/ml. In the text above, identify: a) the observation: b) the hypothesis c) the experimentation d) Does this scenario include any law or theory?

Explanation / Answer

a) Observation:

All the physical properties of the liquid match water.

b) Hypothesis:

The liquid could be water.

c) Experimentation:

Water can be detected using blue anhydrous cobalt(II) chloride. It turns pink in the presence of water.

D) This includes no theory.

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