73. Given the following data Ca(s) + 2C(graphite) → CaC2(s) Ca(s) + O,(g) –→ CaO(s) CaO(s) + H,O(1) – Ca(OH),(aq) CH;(g) + 0,(g) → 2CO,(g) + H,O(1) AH = -1300. kJ C(graphite) + O,(g) → CO2@) ΔΗ--62.8 kJ %3D AH = -635.5 kJ %3D ΔΗ--653.1 kJ -> AH = -393.5 kJ calculate AH for the reaction CaC,(s) + 2H,O(1) → Ca(OH),(aq) + C,H¿(g)

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73. Given the following data
Ca(s) + 2C(graphite)
Ca(s) + ¿O,(g)
CaO(s) + H,O(1)
C,H,(2) + 0,(g)
Clgraphite) + O,(g)
CaC,(s)
ΔΗ--62.8 k
→ CaO(s)
AH = -635.5 kJ
Ca(OH), (aq)
AH = -653.1 kJ
2CO,(g) + H,O(1) AH = -1300. kJ
CO,(g)
AH = -393.5 kJ
calculate AH
the reaction
CaC,(s) + 2H,O(1) → Ca(OH),(aq) + C,H¿(g)
IS ONIA
Transcribed Image Text:73. Given the following data Ca(s) + 2C(graphite) Ca(s) + ¿O,(g) CaO(s) + H,O(1) C,H,(2) + 0,(g) Clgraphite) + O,(g) CaC,(s) ΔΗ--62.8 k → CaO(s) AH = -635.5 kJ Ca(OH), (aq) AH = -653.1 kJ 2CO,(g) + H,O(1) AH = -1300. kJ CO,(g) AH = -393.5 kJ calculate AH the reaction CaC,(s) + 2H,O(1) → Ca(OH),(aq) + C,H¿(g) IS ONIA
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