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You should only heat glassware that has one of these two labels stamped on it?
Wiki User
∙ 10y ago
heat-restrictions
Wiki User
∙ 10y ago
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Is it safe to heat glassware that has cracks?
No
What are the special properties of laboratory glassware and plastics?
Special laboratory glassware are heat resistant and chemical resistant.
Why should heat resistant glassware be used when heating solutions?
Because breaking of glassware made from current types of glass and the dispersion of chemicals is a lost of materials and sometimes a cause of serious accidents and contamination.
Why never heat glassware that is not thoroughly dry?
Because it can explode in the microwave
What markings appear on all heat safe glassware?
micro @oven safe
What is pyrex glassware?
Pyrex is just a brand name of toughened, heat-resistant glass.
Where could one purchase direct thermal labels from?
Thermal labels can be purchased on the internet at websites of businesses who deal with supplying paper, or other office supplies. Thermal labels are long-lasting labels, often used when a bar code needs to be placed on a package.
Give the glassware used for direct heating 5.0ml of a liquid?
The preferred piece of laboratory glassware to heat 5ml of a liquid is a small round bottom flask. These are also known as boiling flasks.
How can you tell if glass is hot?
Place the back of your hand near the glassware in question and if you feel heat coming from it, do not touch it.
How do you describe heat resistant glass for cooking vessels?
You can describe a heat resistant glass for cooking vessels by saying that it does not break under high temperatures. This is because it is made with a chemical element called boron. Pyrex is an example of heat resistant glassware.
What is the metal mesh called that that is used to prevent glassware from cracking when heated with a Bunsen burner?
A heat diffuser is used to diminish the concentrated heat of the flame of a burner and thus prevent glass from breaking due to thermal stress.
Why should you not heat glassware with a Bunsen?
Because the yellow flame produces less heat energy than the blue flame, and if you use the yellow flame, more chemical energy in the gas will be transferred into light energy than heat energy, which would be a waste of energy.(Cause your goal is the heat up the beaker.)
