jocelyncarrillo77 jocelyncarrillo77
  • 05-02-2021
  • Chemistry
contestada

How many Joules of heat are required to melt 250 grams of ice at 0°C?
AHfus = 334 J/g
AHvap = 2258 J/g
Cp= 4.184 J/g C

Respuesta :

zoriahbrown2400 zoriahbrown2400
  • 05-02-2021

Answer:

cp =4.184/c / j

Explanation:

ahvap=2258j/g

Answer Link
ardni313
ardni313 ardni313
  • 06-02-2021

Heat required : Q = 83500 J = 83.5 kJ

Further explanation

Given

mass ice = 250 g at 0°C

Required

The heat required

Solution

The heat to change the phase can be formulated :

Q = m.Lf (melting/freezing)

Lf=latent heat of fusion

Input the value :

Q = 250 g x 334 J/g

Q = 83500 J

Answer Link

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