aspenwheeler2152 aspenwheeler2152
  • 19-05-2021
  • Physics
contestada

How much energy does it take to raise the temperature of 2kg water from 10 Celsius to 26 Celsius? The specific heat capacity of water is 4.18kj/(kg C).

Respuesta :

hamzaahmeds
hamzaahmeds hamzaahmeds
  • 21-05-2021

Answer:

Q = 133.76 KJ

Explanation:

The amount of heat energy required to raise the temperature of the water can be calculated by the following formula:

[tex]Q = mC\Delta T[/tex]

where,

Q = Heat Energy Required = ?

m = mass of water = 2 kg

C = Specific Heat Capacity of Water = 4.18 KJ/kg°C

ΔT = change in temperature = 26°C - 10°C = 16°C

Therefore,

[tex]Q = (2\ kg)(4.18\ KJ/kg.^oC)(16^oC)[/tex]

Q = 133.76 KJ

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