Multiple choice

How much Joules of energy will be consumed to raise the temperature of 100 grams of water by 30C?

  1. 4.2 Joules

  2. 840 Joules

  3. 1260 Joules

  4. 420 Joules

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

We know that 4.2 Joules of heat energy is required to raise the temperature of 1 gram of water by 10C. So, heat energy required to raise the temperature of 100 grams of water by 30C is 1260 Joules (100 X4.2 X3 = 1260)