Chemistry, 18.01.2020 23:31 live4dramaoy0yf9
a vacuum flask keeps its contents warmer or cooler than the surrounding environment for a length of
time. it consists of two flasks, one inside the other, that connect at the neck. the space between the two
flasks is completely empty of air.
q-why does the design of the vacuum flask minimize heat transfer by conduction?
a)- one flask is smaller than the other flask.
b)- one flask is more reflective than the other flask.
c)- there is no air between the two flasks.
d)- the two flasks do not touch each other, except at the neck.
Answers: 1
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