A chemical system is sealed in a strong, rigid container at room temperature, and then is heated vigorously. Determine whether and are positive, negative, or zero during the heating process.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
No explanations have been posted yet. Check back later!