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Conduction, convection and heat radiation.

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What is a better material to use in a thermos flask?

Stainless steel is a popular material for thermos flasks because it is durable, has good insulating properties, and is easy to clean. Vacuum-insulated stainless steel thermos flasks can keep liquids hot or cold for long periods of time.


What do heat flasks do?

Heat flasks are used to store and transfer heat energy to another object or substance. They are commonly used in experiments and industrial processes where precise temperature control is needed. By adding or removing heat from the flask, you can control the temperature of the contents inside.


What are the properties and of a thermos flask?

A thermos flask, also known as a vacuum flask, is designed to maintain the temperature of its contents, whether hot or cold, for extended periods. It achieves this through its double-walled construction, which creates a vacuum between the walls that minimizes heat transfer via conduction and convection. The inner surfaces are often coated with reflective materials to reduce heat loss through radiation. Additionally, thermos flasks are typically made from durable materials like stainless steel or glass, providing insulation while being resistant to breakage and corrosion.


What will be the temperature in 24 hours when the germinate seeds in the thermos flask?

The temperature of the germinating seeds in a thermos flask in 24 hours will depend on several factors, including the initial temperature of the seeds, the ambient temperature, and the insulation quality of the thermos. Generally, thermos flasks are designed to maintain temperature, so the seeds may remain warm if they were initially heated. However, without specific data on these conditions, it's difficult to predict the exact temperature after 24 hours.


Why is a thermos flask made of steel?

A thermos flask is made of steel because steel is a good insulator, which helps maintain the temperature of the liquid inside the flask for longer periods. Steel is also durable and easy to clean, making it a practical material for use in thermos flasks.

Related Questions

How do you build a thermos flasks?

with tools


Can thermos flasks keep cool things cold?

Yes, thermos flasks are designed to keep liquids cold by insulating them from the surrounding temperature. They typically have a vacuum-sealed layer that prevents heat transfer, helping to maintain the cold temperature of the liquid inside.


How do you insulated thermos?

Um......your question is worded oddly, but the way an thermos is insulated is by having a vacuum between it's two flasks. The vacuum causes heat transfer to reduce greatly.


How does insulated support in thermos flasks prevent heat loss?

Insulated support in thermos flasks prevent heat loss by creating a barrier that reduces heat transfer through conduction, convection, and radiation. The layer of insulation helps to trap the heat inside the flask, keeping the contents hot or cold for longer periods of time. This helps to maintain the temperature of the liquid inside the flask without allowing it to be affected by the surrounding environment.


What is a better material to use in a thermos flask?

Stainless steel is a popular material for thermos flasks because it is durable, has good insulating properties, and is easy to clean. Vacuum-insulated stainless steel thermos flasks can keep liquids hot or cold for long periods of time.


Things used to keep heat in or cold out?

insulation blankets thermos flasks double glazing


Who create a thermos?

This is from wikipedia:The vacuum flask was invented by Scottish physicist and chemist Sir James Dewar in 1892 and is sometimes referred to as a Dewar flask after its inventor. The first vacuum flasks for commercial use were made in 1904 when a German company, Thermos GmbH, was formed. Thermos, their trademark for their flasks, remains a registered trademark in some countries but was declared a genericized trademark in the U.S. in 1963 as it is colloquially synonymous with vacuum flasks in general.


Where Thermos flask prevent loss or gain of heat by a) Conduction b) Convection c) Radiation d) All of the ab?

d) All of the above. Thermos flasks are insulated to prevent heat transfer through conduction, convection, and radiation, keeping the contents either hot or cold for an extended period.


Why is the thermos flask a great invention?

Thermos Flasks were invented in 1892 by Sir James Dewar. They consist of two flasks, one placed over the other and joined at the neck. The main advantage of using a Thermos is to keep hot beverages hot and cold beverages cold.


How thermos flask prevent loss or gain of heat by?

Thermos flasks prevent heat loss or gain by using a vacuum-sealed layer of insulation between the inner and outer walls. This vacuum layer acts as a barrier to heat transfer through conduction and convection. Additionally, the inner walls are often coated with a reflective material to minimize radiant heat transfer.


What do heat flasks do?

Heat flasks are used to store and transfer heat energy to another object or substance. They are commonly used in experiments and industrial processes where precise temperature control is needed. By adding or removing heat from the flask, you can control the temperature of the contents inside.


Why are erlenmeyer flasks specifically used for recrystallization processes?

Erlenmeyer flasks are used for recrystallization processes because their conical shape allows for efficient mixing and evaporation of solvents, which helps in the formation of pure crystals.