The dissolution of sodium chloride in water is what kind of process? Select one:

Question

The dissolution of sodium chloride in water is what kind of process? Select one: chemical and physical physical chemical If zinc metal was the limiting reactant., the excess iodine (aq) and the zinc iodide (aq) product could be separated by decantation or filtration. Select one: True False During the reaction of zinc with iodine in acidic solution, which of the following occurred? Select one: heat was absorbed from the surroundings. the temperature of the solution decreased. heat was given off to the surroundings. there was no heat exchange. When solid sodium chloride is dissolved in water , the resulting solution contains which of the following? Select one: sodium atoms and chlorine atoms sodium ions and chloride ions, each surrounded by water molecules sodium chloride molecules, each surrounded by water molecules isolated sodium ions and isolated chloride ions How did you decide that the reaction of excess zinc with iodine was complete? Select one: When all the zinc was used up. When the color of the solution changed from purple/brown to colorless. When a precipitate was formed. When no more gas bubbles escaped the solution.

Explanation / Answer

1. a 2. true 3. heat has given off to the surroundings 4. sodium ions and chloride ions surrounded by water molecule 5. when the color of the solution has been change

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