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** Edit: The temperature of the room for which the experiment took place was 21*

ID: 856243 • Letter: #

Question

** Edit: The temperature of the room for which the experiment took place was 21*C (294*K)

Consider the reaction: Ca(s) + 2H2O(g) S. Compare this value to the theoretical value. What would cause any variance? ** Edit: The temperature of the room for which the experiment took place was 21*C (294*K) H of the reaction is 2609.78 Kelvin. Report a semi-experimental value for G Ca(OH2) (aq) = -897.5 kJ/mol The average experimentally determined value for G H2O(g) = -237.13 kJ/mol and Ca(OH)2 (aq) + H2 (g) Reference values:

Explanation / Answer

to my above answer , the temperature is 298 K , so from my above answer , T(deltaS) = 3270.15 KJ/mol ,

so deltaS = 3270.15 / 298 = 11.123KJ/mol. K ,