When you add water to a small amount of sodium chloride (NaCl), the solid dissolves and the solutiom becomes cold.  in which direction in thermal energy flowing between system and surroundings?  A. Thermal energy is released by the system  b. Thermal energy is absorbed by the system

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When you add water to a small amount of sodium chloride (NaCl), the solid dissolves and the solutiom becomes cold. 

in which direction in thermal energy flowing between system and surroundings? 

A. Thermal energy is released by the system 

b. Thermal energy is absorbed by the system 

 

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