Answers

発生した熱量 910w×90s=81900J

20℃→100℃ 80℃
150g水の温度を80℃上昇させる熱量
4.2×150×80=50400J

(81900J−50400J)÷(4.2×150)=50

答え 50℃

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉