Answer:
20.9 kJ.
Explanation:
- We can calculate the amount of heat (Q) released to water using the relation:
Q = m.c.ΔT,
where, Q is the amount of heat released to water (Q = ??? J).
m is the mass of water (m = 100.0 g).
c is the specific heat capacity of solution (c = 4.18 J/g.°C).
ΔT is the difference in T (ΔT = final temperature - initial temperature = 75.0°C - 25.0°C = 50.0°C).
∴ Q = m.c.ΔT = (100.0 g)(4.18 J/g.°C)(50.0°C) = 20900 J = 20.9 kJ.
