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Several chemists examined a pure, unknown substance and observed and measured its physical properties, based.?

  • Several chemists examined a pure, unknown substance and observed and measured its physical properties. Their results are shown below http://pic40.picturetrail.com/VOL276/10108817/21611249/366111792.jpg Based on the data recorded in the table, answer the following: Part One: What is the physical state of this substance at room temperature? Explain how the information in the table is used to make this classification of the substance’s state. Part Two: The substance is unreactive in water. What will happen if 10.00 g of this substance is added to 200.0 g of water at 20°C and standard pressure? Explain your response. ???

  • Answer:

    Part One: The substance is a liquid at room temperature. The substance's melting point is -22.9 degrees C (substantially below room temperature) and its boiling point is 76.4 degrees C (substantially above room temperature). Part 2: 0.16g of the substance will dissolve in the water, based on the figure for water solubility at room temperature. The remaining substance will sink and form a layer below the water (as its density is greater than that of water).

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Part One: The substance is a liquid at room temperature. The substance's melting point is -22.9 degrees C (substantially below room temperature) and its boiling point is 76.4 degrees C (substantially above room temperature). Part 2: 0.16g of the substance will dissolve in the water, based on the figure for water solubility at room temperature. The remaining substance will sink and form a layer below the water (as its density is greater than that of water).

Toutatis

Hmmm not this time all these was just going about the head

kacie

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