The space between the inner walls of a thermos bottle (sometimes called a Dewar

Question

The space between the inner walls of a thermos bottle (sometimes called a Dewar flask) is evacuated to remove the air that would otherwise be there. Why is this evacuation done? Select one: a. This si sone to minimize heat transfer by conduction and radiation. b. This is done to minimize heat transfer by conduction and convection. c. This is done to protect the wall of the bottle that is silvered. d. this is done to increase the specific hear capacity of the bottle. e. This is done to minimize heat transfer by radiation. The space between the inner walls of a thermos bottle (sometimes called a Dewar flask) is evacuated to remove the air that would otherwise be there. Why is this evacuation done? Select one: a. This si sone to minimize heat transfer by conduction and radiation. b. This is done to minimize heat transfer by conduction and convection. c. This is done to protect the wall of the bottle that is silvered. d. this is done to increase the specific hear capacity of the bottle. e. This is done to minimize heat transfer by radiation. Select one: a. This si sone to minimize heat transfer by conduction and radiation. b. This is done to minimize heat transfer by conduction and convection. c. This is done to protect the wall of the bottle that is silvered. d. this is done to increase the specific hear capacity of the bottle. e. This is done to minimize heat transfer by radiation. a. This si sone to minimize heat transfer by conduction and radiation. b. This is done to minimize heat transfer by conduction and convection. c. This is done to protect the wall of the bottle that is silvered. d. this is done to increase the specific hear capacity of the bottle. e. This is done to minimize heat transfer by radiation.

Explanation / Answer

This is done to minimize heat transfer by conduction and convection.

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