The heat required is the sum of the heat to raise the temperature of ice from -5°C to 0°C and the heat to melt the ice. Q1 = mCΔT = 5 * 2100 * 5 = 52,500 J. Q2 = mLf = 5 * 336000 = 1,680,000 J. Total Q = 52,500 + 1,680,000 = 1,732,500 J ≈ 1.73 × 10⁶ J.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• Joseph Soko – 101 pts

• Distance of A Straight Line
• Mid-point of A Line
• Equation of a Straight Line
• Parallel and Perpendicular Lines
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