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Warm Up 10Mar14 Write down questions along with answers.

Warm Up 10Mar14 Write down questions along with answers. 1. Give a more complete definition of Enthalpy. 2 . What does the standard state for Enthalpy mean? 3. D H is what sign when endothermic? 4 . D H is what sign when exothermic ?

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Warm Up 10Mar14 Write down questions along with answers.

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  1. Warm Up10Mar14Write down questions along with answers. 1. Give a more complete definition of Enthalpy. 2. What does the standard state for Enthalpy mean? 3. DH is what sign when endothermic? 4. DH is what sign when exothermic? 5. Steam at 175°C that occupies a volume of 32.75 Land a pressure of 2.60 atm. How much energy would it need to lose to end as liquid water at 20 oC? R = 0.0821 L·atm·mol-1·K-1; 8.314 L·kPa·mol-1·K-1; 62.363 L·torr·mol-1·K-1 C(H2O(g))= 37.47 J/mol oC; C(H2O(l))= 75.327 J/mol oC; DHvap= 40600 J/mol

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