Question

Q14. An electric kettle contains 500 g of water at 15 "C.
The heating element of the kettle is rated at
2.2 kW and the specific heat capacity of water is
4.2 x 10 J kg" K-
What is the minimum time it takes to raise the
temperature of the water to 100 "C?
A 22 $
B 81 s
C 95s
D 8.1 * 10's
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Answer 1

Answer:

I don't understand what you mean by this question.?????????????????!!!!!!!

Explanation:

6 class

Answer 2

Answer:

B

Explanation:

Q=mc t2-t1

Pt=mc t2-t1

T=mc t2-t1÷p