# - T 2 31 5 6 Using the thermodynamic data given in the procedure, calculate AH°,...

###### Question:

- T 2 31 5 6 Using the thermodynamic data given in the procedure, calculate AH°, AS, and AG for the dissolution of each salt in Part 1. Use the initial temperature you recorded in lab for the AG calculation. AH (kJ/ S (J/mol K) mol) Salt Observations Volume of Water (ml) 5.0 Mass of Salt (g/ Initial Final Temperature Temperature 411.1 72.12 Sodium Chloride 1.0173 23.1 219 82 NaCl) KCI (5) CaCl (s) Nat(a) 436.7 -795.4 completely dissolved slipy cooler 108.4 5.0 1.0233 22.8 15.2 60.2 Potassium Chloride -239.66 -542.8 completely dissolved, cold to the touch Cal(aq) --53.1 55.1 5.0 09824 232 30.7 -167.46 Calcium Chloride CH() Kolag) completely dissolved, noticeably 251.2 103 Sodium Chloride ... AH° AS. AG - Potassium Chloride AH°. AS. AG - Calcium Chloride AH- AS- AG- Post Lab Questions
pols Add-ons Help Last edit was seconds ago ES DE EE, Image options Replace image 1 2 341 5 6 7 Using the thermodynamic data given in the procedure, calculate N°, ASⓇ, and AG for the dissolution of each salt in Part 1. Use the initial temperature you recorded in lab for the AG calculation. AH (kJ/S (J/mol K) mol) Salt Volume of Water (ml) 5.0 Mass of Salt (9) Observations 411.1 72.12 Initial Final Temperature Temperature "C) (C) 23.1 219 Sodium Chloride 1.0173 NaCl (5) KCI (8) CaCl (s) 436,7 82 completely dissolved, slightly cooler -- 795.4 108.4 5.0 1.0233 22.8 152 Na- (aq 239.66 60.2 Potassium Chloride completely dissolved, cold to the touch Cat (aq -542.8 -53.1 5.0 0.9824 23.2 30.7 CH(aq) -167.46 55.1 Calcium Chloride completely dissolved noticeably warmer K- (aq) 251.2 103 Sodium Chloride 191 H AH- AS -

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