A thermos bottle containing coffee is vigorously shaken. If the coffee is considered as a
system, then the temperature of coffee will:
(A)
(B)
Increase
slightly
Decrease (c) Remain (D) Can't say
same
Answers
Answered by
1
Answer:
in this system energy and things don't exchange by environment so the temperature of coffee remains constant.
Answered by
0
Answer:
ANSWER IS -A-INCREASE
Explanation:
SINCE THE THERMOS BOTTLE IS VIGOROUSLY SHAKEN THEREFORE THE KINETIC ENERGY OF MOLECULES WILL INCREASE and SINCE KINETIC ENERGY OF A MOLECULE IS DIRECTLY PROPORTIONAL TO TEMPERATURE AND THUS TEMPERATURE WILL INCREASE.
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