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how many joules are needed to warm 25.5 grams of water from 14.0°C to 22.5°C? the heat capacity of liquid water is 4.184J/g°C​

User Ricab
by
6.9k points

1 Answer

6 votes

Answer:

Q = 906.882 J

Step-by-step explanation:

Given data:

Mass of water = 25.5 g

Initial temperature = 14.0 °C

Final temperature = 22.5 °C

Specific heat capacity of water = 4.184 J/g.°C

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = 22.5 °C - 14.0 °C

ΔT = 8.5 °C

Q = 25.5 g × 4.184 J/g.°C × 8.5 °C

Q = 906.882 J

User Rhodo
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6.6k points