Can you tell, by looking at a chemical equation, if a reaction will be endothermic or exothermic? For example, HCl + NaOH -> NaCl + H2O is exothermic but would you know this just from looking at the reactants and products, without doing calculations?
-
-
Answer:
no, to determine if a reaction will be endo or exothermic one need to look at a heats of reactions table and then do some dreaded math.
Anonymous at Answerbag.com Visit the source
Other answers
hmm I don't think so. You'd have to have prior familiarity with these reagents or their properties before hand if you want to predict something like this.
Jerrykim
Related Q & A:
- Can you get a chemical burn from a mock orange tree?Best solution by answers.yahoo.com
- What's a chemical equation?Best solution by chemistry.about.com
- How can you tell the difference between a bug bite and something more serious?Best solution by healthtap.com
- What do the formulas, arrow, and plus signs in a chemical equation tell you?Best solution by Yahoo! Answers
- How do you balance a chemical equation?Best solution by Yahoo! Answers
Just Added Q & A:
- How many active mobile subscribers are there in China?Best solution by Quora
- How to find the right vacation?Best solution by bookit.com
- How To Make Your Own Primer?Best solution by thekrazycouponlady.com
- How do you get the domain & range?Best solution by ChaCha
- How do you open pop up blockers?Best solution by Yahoo! Answers
For every problem there is a solution! Proved by Solucija.
-
Got an issue and looking for advice?
-
Ask Solucija to search every corner of the Web for help.
-
Get workable solutions and helpful tips in a moment.
Just ask Solucija about an issue you face and immediately get a list of ready solutions, answers and tips from other Internet users. We always provide the most suitable and complete answer to your question at the top, along with a few good alternatives below.