পদার্থবিজ্ঞান প্রশ্ন

Water has the specific heat 4.186 kJ/kg0C, a boiling point of 100°C, and a heat of vaporization of 2260kJ/kg. A sealed beaker contains 100g of water that is initially at 200C. How much heat is required to bring the water to its boiling point?