Can you explain how to do #19?

0 ⤊

Can you explain how to do #19?

Thanks.

http://www.nysedregents.org/testing/scire/chem606.pdf

2007-06-19 13:05:52 · 2 answers · asked by ╦╩╔╩╦ O.J. ╔╩╦╠═ 6 in Science & Mathematics ➔ Chemistry

2 answers

reaction with oxygen will be exothermic in nature as heat is evolved(like combustion)(oxidation reaction are always exothermic)
so 3 is correct
rest all of three will be exothermic
hope so u would h understood
if u need further assistance relevant to assignment
galimurtaza@yahoo.com
i am always here for help

2007-06-19 14:19:29 · answer #1 · answered by ghulamalimurtaza 3 · 0⤊ 0⤋

The question #19 does not appear. Please ask again, typing the question you want answered, and some one will help you.

2007-06-19 20:48:51 · answer #2 · answered by steve_geo1 7 · 0⤊ 1⤋