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sodium (na) and iodine gas (i2) react to form sodium iodine (nai) .

which equation is a correct representation of the balanced equation?

2na+i2→2nai

nai→2na+i2

i2→2nai+2na

na→nai+i2

The answer should be   NaI→2Na+I2. :)

when heated, the molecules of the liquid in the thermometer move faster, causing them to get a little further apart. this results in movement up the thermometer. when cooled, the molecules of the liquid in the thermometer move slower, causing them to get a little closer together.

Explanation:

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