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lisabon 2012 [21]
3 years ago
5

Help plz:)))I’ll mark u Brainliest

Chemistry
1 answer:
nataly862011 [7]3 years ago
3 0

Answer:

112.9-kJ

Explanation:

Example;

To find the energy, you should follow the following rule :

Q= mass * latent heat of vaporization

Q= m * l

Q= 50g * 2260 J/g

Q= 113000 J

Answer;

The heat of vaporization of water is 2257-J/g - each grams must release 2257-J of thermal energy. When water condenses its temperature remains constant.  

Q = m x Hv ===> 50-g x 2257-J/g = 112,850-J = 112.9-kJ

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