My lab is based at the University of Liverpool in the northwest of England, UK. Our labs are very broadly kept between 15 °C – 25 °C, depending on the weather.
If the labs are too cold, then the scientists feel very chilly, and some of the chemicals we work with begin to freeze. If our labs are too warm, then scientists may wear fewer layers to stay cool (but may sacrifice important safety equipment like a lab coat), and some of our chemicals may evaporate into the air.
Labs exist all around the globe, but we try to keep them at a consistently warm (not cold, not hot) temperature using air conditioning so that we can work safely and comfortably, while the chemicals, cells, and equipment we work with are all okay.
My lab is in the university of Manchester, UK. It gets hot/cold depending on the weather outside. Its mostly rainy here. But we love to see the sun when it comes out. Certain lab experiments require a specific temperature- too hot or too cold, we have dedicated areas/equipments to maintain the required temperatures in those regions.
My lab is in the UK near Oxford so the weather is pretty mild, if not a little wet at times!
We have air conditioning to keep a relatively constant temperature. In organic chemistry reactions can be heated (up to 200 oC sometimes) or cooled (often at 0 oC but sometimes at -78 oC the boiling point of carbon dioxide – we use frozen pellets in a solvent as a cooling bath). Quite often reactions are described as at room temperature but this could be 40 oC in an Indian lab!
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