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Spontaneous or Not

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					Spontaneous or Not??? WS

Name:___________________________________ Period:____

If the reaction is spontaneous, indicate whether the reaction will happen at higher temperatures or lower temperatures.

1.

NaCl (s) + 3.9 kJ  NaCl (aq) ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

2. Na (s) + Cl2 (g)  2 NaCl (s) + 822.4 kJ ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

3. C8H8 (l) + 10 O2 (g)  8 CO2 (g) + 4 H2O (l) + 5156.1 kJ ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

4. W (s) + 3 H2O (l) + 842.9 kJ  WO3 (s) + 3 H2 (g) ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

5. CH3OH (l) + CO (g)  CH3CO2H (l) + 355.9 kJ ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

6. 464.8 kJ + CaO (s) + 3 C (s)  CaC2 (s) + CO (g) ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

7. 2 Al (s) + Fe2S3 (s)  2 Fe (s) + Al2O3 (s) + 853.9 kJ ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

8. 904.56 kJ + 4 NO (g) + 6 H2O (g)  4 NH3 (g) + 5 O2 (g) ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

9. 4 C (s) + 6 H2 (g) + O2 (g)  2 C2H5OH (l) + 555.4 kJ ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends

10. 2 C6H6 (l) + 15 O2 (g)  12 CO2 (g) + 6 H2O (l) + 6533.06 kJ ___________ H ________ thermic _____ entropy Spontaneous: Yes / No / Depends


				
Lingjuan Ma Lingjuan Ma
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