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What is used to seal the top of a test tube or flask?
A stopper or cap is typically used to seal the top of a test tube or flask. It helps prevent contamination and evaporation of the contents inside. Stopper materials can vary from rubber to plastic depending on the application.
When can an Erlenmeyer flask be used instead of a beaker?
I my experience the Erlenmeyer flask is better for certain things than others.... what I mean is that is has labeled measurements on the side and the increments are based on the size of the flask but the volumetric flask is better is you want to dilute a solution at a certain volume to find....molarity they both have good qualities it just depends on what you want to use it for.
What is a flask used for?
AnswerA flask is a container for storing or carrying liquid.It also keeps the liquid at the same temparature over a number of hours. A flask is nominally used for carrying liquids in it and usually of the alcoholic nature, and is usually referred to as a hip flask as it is carried in a pocket either the front or back.
What is flat bottom flask?
A flat bottom flask would be an Ehrlemeyer flask, which is used quite a lot by chemists.anf
Are all Erlenmeyer flask the same in weight?
No, Erlenmeyer flasks can vary in weight depending on the material they are made from. Glass Erlenmeyer flasks are typically heavier than plastic Erlenmeyer flasks due to the density of glass. Additionally, the size and volume capacity of the flask can also affect its weight.
What is a flask made of?
it is made of plastic
Where can a plastic flask be bought?
A plastic flask can be purchased anywhere glassware is sold such as department stores, home depot, canadian tire, walmart etc. If the type of flask is to be used for science then a scientific supply store is where it should be purchased.
How does a tight fitting plastic stopper on a flask minimise heat transfer?
It prevents heat transfer by convection as it prevents contact between the surrounding air and air inside the flask. It prevents heat transfer by conduction as it is a poor conductor of heat.
What is flask and its uses?
Erlenmeyer flask is a conical flask made from glass or plastic, sometimes graduated or with a stopcock; uses: - to contain liquids or powders - to realize chemical reactions - it is the preferred flask for titration - heating of liquids (only in Pyrex glass) See also the link below.
What is erlenmeyer flask its uses?
Erlenmeyer flask is a conical flask made from glass or plastic, sometimes graduated or with a stopcock; uses: - to contain liquids or powders - to realize chemical reactions - it is the preferred flask for titration - heating of liquids (only in Pyrex glass) See also the link below.
How does the plastic cap reduce heat loss in a flask?
The plastic cap acts as an insulator, reducing heat loss in a flask by preventing heat from escaping through the opening. It creates a barrier between the contents inside the flask and the surrounding environment, minimizing heat transfer through conduction and convection. This helps to maintain the temperature of the contents for a longer period of time.
What is laboratory Erlenmeyer flask?
Erlenmeyer flask is a conical flask made from glass or plastic, uset to make chemical reactions, volumetric titrations, to collect fluids from filtration, distillation, etc. Some times these flaks are graduated.
What instrument do you use to find liters?
A measuring flask.
What is a Erlenmeyer filter?
This is a conical flask from glass or plastic, frequently used in all chemical laboratories; the Erlenmeyer flask may contain reagents, collect filtrates, labware for a chemical reaction, it is used for titration, etc. It is not a filter.
Where could one find a flask with a telescopic cup for a lid?
EBAY
A 0.200M solution of sodium carbonate Na2CO3 is made by dissolving 5.30g of the solid in water and making up the mark in a standard flask What volume must the flask be?
To find the volume of the flask, first calculate the moles of Na2CO3 using its molar mass. Then use the molarity and moles to find the volume using the formula Molarity (M) = moles/volume (in liters). The volume of the flask needed is then the inverse of the molarity.
When is it preferable to use a plastic volumetric flask?
Plastic volumetric flasks are preferred when working with corrosive substances that may degrade glass, when working in outdoor or field settings where glass might break, or when dealing with volatile chemicals that may react with glass.
