When the stopper is removed from a partly filled bottle containing solid and liquid acetic acid at 16.7 °c, a strong vinegar like odor is noticeable immediately. is the system enclosed in the bottle homogeneous or heterogeneous? explain?

Base from the problem description, there would be three phases that would be present in the bottle. The solid phase and the liquid phase are observed in the bottle while the gas phase is being detected from the odor that we noticed. Acetic acid is also known as ethanoic acid. It is a colorless liquid compound at STP. It has a noticeable sour smell. It is classified as a caboxylic acid due to the presence of -COOH group. The triple point of this substance is found at a temperature of 16.7 degrees Celsius. At this temperature, all of the three phases of matter exist with each other which can be observed in the problem.

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