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Clearnote
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Junior High
Science
求解,謝謝🙏
Science
Junior High
about 2 hoursago
Jenny
求解,謝謝🙏
(C) 5、小華的媽媽在煮三杯雞時緊密的蓋上鍋蓋,雞肉煮滾10分鐘後熄火,過了一會兒,想要將雞肉盛入盤 中,卻發現鍋蓋掀不開,後來使盡力氣才掀開鍋蓋,並且發現鍋蓋內有許多水滴。根據上述觀察到的現象,哪 些推測是正確的? 甲、鍋蓋因受熱體積膨脹卡住了。 乙、鍋子熄火冷卻後鍋子內的氣體壓力小於外界的大氣壓力。 丙、下次再遇到此種情形,再點火加熱一下就可以掀開鍋蓋。 (A)甲 (B)乙 (C)乙、丙 (D)甲、丙
國二下自然
壓力
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