Page 117 - แผนการสอน 62-2
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3. น้ า 500 กรัม ร้อนขึ้นจาก 5 ◦C เป็น 75 ◦C จงค านวณปริมาณความร้อนที่น้ าดูดกลืนเข้าไป
ก าหนดให้ความร้อนจ าเพาะของน้ า = 4.184 J/g
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