I just was wondering how to use these equations at the top to find the H for the 3rd reaction in part b. s! Transcribed

I just was wondering how to use these equations at the top to find the H for the 3rd reaction in part b. s! Transcribed Image Text: 15
4) Verifying Hess’s Law
a) Write out Net Ionic Equation for reaction 1 and 2 and show AH for each
Reaction 1:
AH::-653528 KJ
H*laql+ OH”laq)→ H,0(2)
AH;: -491.3004LKJ
Reaction 2:
Mals)+2Ht Mg +H, (g)
laq)
laq’
b) Use reactions 1 and 2 and Hess’ law to find the AH for reaction 3, given here:
Mg(s) + 2H2O(1) → Mg ²* (ag) + 20H (ag) + H2(g)
AH3, Hess’ Law :
c) Use the net ionic equation for reaction 3 to look up the AHf values in your textbook. Use
these values to calculate a theoretical value for AH3 or the “textbook” calc.
Mg(s)+2H,0(4)
→ ag) + Hzlg)
Mglag)+20HT

Need your ASSIGNMENT done? Use our paper writing service to score better and meet your deadline.


Click Here to Make an Order Click Here to Hire a Writer