Which phase change is endothermic? A) H₂O(t)→ H₂O(g) B) I2(g) → I2(s) C) Hg(t)→ Hg(s) D) H₂S(g) → H₂S(t)

Ganhammar asked Mar 17, 2023

290,386 views

33 votes

Which phase change is endothermic?

A) H₂O(t)→ H₂O(g)
B) I2(g) → I2(s)
C) Hg(t)→ Hg(s)
D) H₂S(g) → H₂S(t)

Ganhammar asked Mar 17, 2023

2.3k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

22 votes

A is endothermic because H2O(l) is gaining heat and turning into gas.
The other three are exothermic because they are losing heat.

Rob Lachlan answered Mar 24, 2023

2.9k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers