Respuesta :

Edufirst

Answer:

  • 26. J

Explanation:

1) Data:

a) m = 20. g

b) ΔT = 35°C - 25°C

c) Cs = 0.13 J / g°C

2)  Formula:

  • Heat absorbed, Q = m × Cs × ΔT

3) Solution:

  • Q = 20. g × (35°C - 20°C) × 0.13 J/ g°C = 20. g × 10°C × 0.13 J/g°C = 26. J ← answer

The answer shows two significant figures.