jennifervalente1101 jennifervalente1101
  • 12-12-2019
  • Chemistry
contestada

How much heat is added if 0.814g of water increase in temperature by 0.351 degree C

Respuesta :

ruchi2 ruchi2
  • 18-12-2019

Answer:

1·199 J

Explanation:

Given

Mass of water = 0·814 g = 0·814 × [tex]10^{-3}[/tex] kg

Increase in temperature = 0·351 °C

Let the amount of heat added be Q J

Formula for heat added is

Q = m × s × ΔT

where Q is the amount of heat transferred

m is the mass

s is the heat capacity

ΔT is the change in temperature

Heat capacity of water = 4200 J/kg °C

Applying the formula for heat added

Q = 0·814 × [tex]10^{-3}[/tex] × 4200 × 0·351  = 1·199 J

∴ Amount of heat added = 1·199 J

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