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Why are Styrofoam cups used for the calorimeter instead of a glass beaker?View keyboard shortcutsEditViewInsertFormatToolsTable

Question

Why are Styrofoam cups used for the calorimeter instead of a glass beaker?

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Solution

Styrofoam cups are used for the calorimeter instead of a glass beaker for several reasons:

  1. Insulation: Styrofoam is a good insulator. It reduces the amount of heat exchange between the substance inside the cup and the surrounding environment. This is important in calorimetry because it allows for more accurate measurements of heat changes within the system being studied.

  2. Cost: Styrofoam cups are much cheaper than glass beakers. This makes them a cost-effective choice for experiments, especially those that require multiple trials.

  3. Safety: Styrofoam cups are less likely to break or shatter compared to glass beakers. This makes them a safer option for use in a lab setting.

  4. Lightweight: Styrofoam cups are much lighter than glass beakers, making them easier to handle and move around in the lab.

  5. Disposable: Styrofoam cups are disposable, which can be convenient for experiments that might leave residue or contamination that would be difficult to clean from a glass beaker.

Remember, however, that while Styrofoam has these advantages, it also has environmental disadvantages due to its non-biodegradable nature.

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