help with chemistry please!!!?

0 ⤊

help with chemistry please!!!?

if enthalpy is the heat for a reaction, it must have a sign as well as a magnitude. What sign should the enthalpy for an exothermic reaction have? why?

2007-03-04 14:59:02 · 2 answers · asked by helllooooo 2 in Education & Reference ➔ Homework Help

2 answers

Here you a complete description of what ever you said.

2007-03-04 15:05:56 · answer #1 · answered by Old guy 124 6 · 0⤊ 0⤋

in exothermic reactions, the system is LOSING heat (i.e., the heat is going to the environment) so, the sign should be negative.

2007-03-04 15:02:03 · answer #2 · answered by arsenic sauce 6 · 0⤊ 0⤋