[runnerup]

? Put 6 drops of NaOH into a clean test tube, which is placed in the test tube rack, add 6 drops of H2SO4 and observe whether there is a heat change by touching the bottom of the bottom of the test tube with your finger.


We are replacing H2SO4 for HCl. I am wondering if we will still get the same temperature change when they are different compounds?


Thank you,

Christian Calderon

[AWK]

Yes, both diluted acids show the same effect.

[jdurg]

Yes, both diluted acids show the same effect.

Not entirely true.  What is the concentration of the acid being used?  Diluting sulfuric acid generates a great deal of heat in addition to the heat of the reaction.  If the acids are fairly dilute, then the heat of dilution really won't be noticed.  But if these acids are of a pretty high concentration, then the heat from dilution will definitely be noticed.