Chemical Forums

Chemistry Forums for Students => High School Chemistry Forum => Topic started by: Xuanny on December 13, 2009, 11:28:19 AM

Title: Question about work during phase changes...
Post by: Xuanny on December 13, 2009, 11:28:19 AM

When water vapor condenses to liquid water, the process is exothermic. Heat and work are both negative. I know why q is negative, but why is w negative?

H₂O_(g) → H₂O_(l)