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1.Which of the following statements best explains the data in the table shown on the center screen?

2.

src="/qa/attachment/11039566/" alt="Screen Shot 2020-01-25 at 5.07.37 PM.png" />Screen Shot 2020-01-25 at 5.07.35 PM.pngScreen Shot 2020-01-25 at 5.07.30 PM.png

Screen Shot 2020-01-25 at 5.07.30 PM.png

1. Which of the following statements best explains the data
in the table shown on the center screen?
a. Tio2 is the least energetically stable because it has the most negative
AHrxn.
b. BaO is the least energetically stable because it has the highest charge
and smallest atomic radii.
c. TiOz is the most energetically stable because it has the strongest
Coulombic attraction due to charge.
d. BaO is the most energetically stable because it has the strongest
Coulombic attraction due to charge.
Chemical Reaction
AH (kJ/mol)
2 Fe(s) + 3/2 0,(g) - Fe,O.(s)
-824
Chemical Thinking
Ti(s) + 0,(8) - Tio,(s)
-944
Ca(s) + 1/2 0,(g) - CaO(s)
-635
Ba(s) + 1/2 0,(g) - Bao(s)
-548
*Oxygen always has a 2- charge for this class (number of electrons needed to
have a full octet.) *

Screen Shot 2020-01-25 at 5.07.35 PM.png

2. Which of the following energy coordinate diagrams best
represents the reaction: CfiH6 (g) 6 -) CfiH.5 (I)? Chemical Thinking

Screen Shot 2020-01-25 at 5.07.37 PM.png

3. Which of the following bonds will release more energy
when broken? I a. 0-0 h. C=C
c. both would release the same amount of E
d. none of them will release E when broken

Top Answer

1) TiO2 is most energetically stable because it has the strongest coulombic attraction due to... View the full answer

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