Consider the gibbs energies at 25 ∘ c. substance δ∘f (kj·mol−1) ag+(aq) 77.1 cl−(aq) −131.2 agcl(s) −109.8 br−(aq) −104.0 agbr(s) −96.9 (a) calculate δ∘rxn for the dissolution of agcl(s) .

(a) agcl(s) > ag+(aq) + cl-(aq) grxn =[ total (gf products)] - [ (gf reactants)] = [(1xgf ( ag+)(aq) + (1xgf

explanation:

aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )