Question

What is the total number of joules of heat energy absorbed by 15 grams of water when it is heated from 30°C to 40°C?

Answer 1

deltaH=630J

Step-by-step explanation:

the procedure is detailed in the image

Answer 2

630 J

Step-by-step explanation:

1. Calculate ΔT

ΔT = 40 °C - 30°C = 10 °C

2. Calculate q

q₂ = mCΔT = 15 g × 4.184 J·°C⁻¹g⁻¹ × 10 °C = 630 J