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Which equation represents sublimation?
(1) I2(s) ==> I2(g) (3) I2(l)==>I2(g)
(2) I2(s) ==>I2(l) (4) I2(l)==>I2(s)

Sagot :

lulu1991
The answer is (1). The definition of sublimation is the change of solid substance directly to gas. In the equation, the "s" stands for solid. The "l" stands for liquid. And the "g" stands for gas.

Answer : The correct options is, (1) [tex]I_2(s)\rightarrow I_2(g)[/tex]

Explanation:

(1) [tex]I_2(s)\rightarrow I_2(g)[/tex] :

This reaction shows sublimation process in which the phase changes from solid state to gaseous state at constant temperature.

(2) [tex]I_2(l)\rightarrow I_2(g)[/tex] :

This reaction shows evaporation process in which the phase changes from liquid state to gaseous state at constant temperature.

(3) [tex]I_2(s)\rightarrow I_2(l)[/tex] :

This reaction shows melting process in which the phase changes from solid state to liquid state at constant temperature.

(4) [tex]I_2(l)\rightarrow I_2(s)[/tex] :

This reaction shows freezing process in which the phase changes from liquid state to solid state at constant temperature.

Hence, from this we conclude that the option (1) equation represents sublimation process.

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