loquitovazquez loquitovazquez
  • 03-11-2020
  • Chemistry
contestada

Calculate the amount of grams of water that was used when 5525J of energy was used to boil this amount of water.

Respuesta :

dsdrajlin
dsdrajlin dsdrajlin
  • 09-11-2020

Answer:

2.445 g

Explanation:

Step 1: Given and required data

  • Energy in the form of heat required to boil the water (Q): 5525 J
  • Latent heat of vaporization of water (∆H°vap): 2260 J/g
  • Mass of water (m): ?

Step 2: Calculate the mass of water

We will use the following expression.

Q = ∆H°vap × m

m = Q / ∆H°vap

m = 5525 J / (2260 J/g)

m = 2.445 g

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