1.)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
answeres
why does the design of the vacuum flask reduce 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 flasks

d.the two flasks do not touch each other except at the kneck

plssss help

Answers

Answered by DrBob222
https://www.google.com/search?client=firefox-b-1-d&q=how+do+vacuum+flasks+work
Answered by PERIODO
1.D
2.B
3.D
4.C
5.A
6.A
7.D
8.D
9.A
10.B
11.C
12.C
13.C
14.B
15.B
These are the right answer no cap. hope this helps :D
Answered by and thats on answers
yea she is right



thanks
Answered by nugget squad
i love how the users are PERIOD and that's on answers XD
Answered by Yayyy
I got 100% the answers are correct
Answered by j
shes right 100
thanks PERIODO
Answered by jenaya
thank you so munch
Answered by Lolollol
Are you sure she is right
Answered by John Doe
I'm sure 15/15 = 100%
Answered by Nemo🐟
Thx @periodo got a 100%
Answered by Koichi
Is that a jojo reference
Answered by Lolbit
Whaaaa??????
Answered by Lolbit
Here answers. . .
1) D
2) B
3) D
4) C
5) A
6) A
7) D
8) D
9) A
10) B
11) C
12) C
13) C
14) B
15) B
Answered by Red sus
PERIODO is 100% correct thx!
Answered by jaklyn
thanks lobit and PERIODO it helped a lot.
Answered by 100%
Science 6B 2021
3.11.4 Energy Unit Practice

1) D. The two flasks do not touch each other, except at the neck.

2) B. energy.

3) D. kinetic energy

4) C. chemical

5) A. 68.1 percent

6) A. chemical energy into thermal energy

7) D. mechanical energy.

8) D. D

9) A. mechanical energy into thermal energy.

10) B. both transfer heat through matter.

11) C. to increase friction

12) C. 14.5 J

13) C. changing the distance over which the input force was exerted.

14) B. convection.

15) B. a room cooled by minimizing heat transfer by radiation
Answered by hotchisadilf
PERIODO is still correct in April 2021
Answered by snail with top hat
periodo is still correct
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