Because their is no motion in them their for they can not do anything but just sit their I hope I helped u if not I’m so so sorry
18. c
19. A
20. decomposition reaction
21. 4
22. 0.04%
Answer:
Not approved but I think 4(-393.5)+ 2(-241.8)) – (2(227) + 5(0))
The enthalpy change is -2511.6.
Explanation:
Model 1 represents a pure substances. Hope this helped