What type of glassware is typically used for heating and mixing in organic chemistry?

The round-bottom flask is commonly used for heating and mixing in organic chemistry due to its design, which allows for uniform heating and minimizes the risk of breakage compared to straight-sided flasks. The round shape promotes even distribution of heat across the surface area of the flask, making it ideal for reactions that require consistent temperature control.

Additionally, the round-bottom flask can facilitate the use of rotary evaporators, which are essential for removing solvents from reaction mixtures. It allows for easier stirring and mixing of the contents, particularly when a reflux condenser is attached, enabling efficient heating of volatile substances without the risk of evaporation loss.

In contrast, while beakers can be utilized for mixing, they are not ideal for heating due to their shape and thinner glass, which can lead to uneven heating and a higher chance of breakage. Volumetric flasks are designed specifically for precise volume measurements and are not typically used for heating or mixing. Pipettes are used for transferring small volumes of liquids but are not suitable for heating or large-scale mixing. Thus, the round-bottom flask stands out as the preferred glassware for both heating and mixing in organic chemistry experiments.