15. Given: 2 A1 (s) + 3/2O(g) → ALO) AH-1670, what is all for the reaction: 2 Al(s) + Al(s) +3 02(g) AH? (a) -330N (b) +

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15 Given 2 A1 S 3 2o G Alo Ah 1670 What Is All For The Reaction 2 Al S Al S 3 02 G Ah A 330n B 1 (32.21 KiB) Viewed 51 times

15. Given: 2 A1 (s) + 3/2O(g) → ALO) AH-1670, what is all for the reaction: 2 Al(s) + Al(s) +3 02(g) AH? (a) -330N (b) +1670 ) (+3340 (dy-1670 13 fe) 835 _16. The elements of Group Vil are known as the (a) lanthanides. (b) ideal gases (c) mobles (d) halogens (e) alkali metals 17. How many equivalent resonance forms can be drawn for one, O2 (a) 1 (b) 2 (c) 3 (d) 4 (e) There are some structures for this son 18. Calculate the malur mass of (NELBANO (a) 417 80 g/mol (b) 193.03 g/mol (c) 165.02 g/mol (d) 15696 g/mol (e) None of the above are close to the correct answer 19. What is the electron-demain geometry and molecular shape of 50,2? (a) tetrahedral bent (b) trigonalplama, trgonalplan (d) tetrahedral, bent, linear (d) trigonal planur (e) tetrahedril. trigonal pyramidal