At constant pressure, the reaction A(g) → 2B(g)

is exothermic.
Which of the following statements is true for this reaction?

Question

At constant pressure, the reaction A(g) → 2B(g)

is exothermic.  
 Which of the following statements is true for this reaction?

Answer

The reaction is spontaneous at high temperatures.

Answer

The reaction is spontaneous at low temperatures.

Answer

The reaction is spontaneous at all temperatures.

Answer

It
is not possible to determine the spontaneity without more information.

Answer

The reaction is never spontaneous at any temperature.

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