用高压锅煮食物时,锅内水的温度在升高的过程中,水的内能随之增

用高压锅煮食物时,锅内水的温度在升高的过程中,水的内能随之增加;因为高压锅良好的密封性,使水蒸气不易外泄而增大了锅内气压,提高了水的       ,从而提高水温,

答案

沸点解析:
用高压锅煮食物时,锅内水的温度在升高的过程中,水的内能随之增加;因为高压锅良好的密封性,使水蒸气不易外泄而增大了锅内气压,提高了水的沸点,从而提高水温。

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