Consider the following endothermic reaction.  A(s) ⟶⟶A(g) Assuming the reaction takes place at constant temperature and pressure, which of the following is correct? answer choices: a) q is negative and w is positive.   b) q is positive and w is negative. c) q and w are both negative.  d) q and w are both positive.

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Consider the following endothermic reaction. 

A(s) ⟶⟶A(g)

Assuming the reaction takes place at constant temperature and pressure, which of the following is correct?

answer choices:

a) q is negative and w is positive.
 

b) q is positive and w is negative.

c) q and w are both negative. 

d) q and w are both positive. 

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