Which of the following is true for the endothermic reaction Ba (OH) 2 (aq) + NH4NO3 (aq) - - > Ba (NO3) 2 (aq) + 2NH3 (aq) + 2H2O (l) ?

A: H>0 S>0

B: H<0 S<0

C: H>0 S<0

D: H0

Question

Nigel

Chemistry

25 August, 22:02

Which of the following is true for the endothermic reaction Ba (OH) 2 (aq) + NH4NO3 (aq) - - > Ba (NO3) 2 (aq) + 2NH3 (aq) + 2H2O (l) ?

A: H>0 S>0

B: H<0 S<0

C: H>0 S<0

D: H0

+3

Answers (1)

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Doogie · Answer 1

If it's an endothermic reaction, then that means heat is being added to the system therefore H>0. Entropy is disorder, and since there are more moles on the products side, entropy is increasing therefore S>0 as well.

Which of the following is true for the endothermic reaction Ba (OH) 2 (aq) + NH4NO3 (aq) - - > Ba (NO3) 2 (aq) + 2NH3 (aq) + 2H2O (l) ?A: H>0 S>0B: H<0 S<0C: H>0 S<0D: H0

Which of the following is true for the endothermic reaction Ba (OH) 2 (aq) + NH4NO3 (aq) - - > Ba (NO3) 2 (aq) + 2NH3 (aq) + 2H2O (l) ?

A: H>0 S>0

B: H<0 S<0

C: H>0 S<0

D: H0