Let's work through How much heat is needed to raise 2kg of water by 10°C? (c = 4186 J/kg·°C) together. Physics problems become simple when you break them into clear, logical steps. Here's exactly how to approach this one.

Quick Answer

83720 J

Step-by-Step Solution

Step 1: Q = mcΔT

Step 2: Q = 2 × 4186 × 10

Step 3: Q = 83720 J

Why This Works

This problem applies thermodynamics. Understanding the underlying principle lets you solve similar problems with different values confidently.

Common Mistakes to Avoid

❌ Mistake 1: Using the wrong units or forgetting to convert.

❌ Mistake 2: Applying the wrong formula for the given situation.

❌ Mistake 3: Rounding too early in the calculation.

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