You add 50.0 grams of Ice at 0.0 °C to some warm water at 45.0 °C. All the Ice melts at constant 0.0 °C • All the water from the Ice warms from 0.0 °C to 10.0 °C (=Tfinal). • All the warm water cools to 10.0 °C (=Tfinal). How many grams of Warm Water did you start with? (Hint - three energies involved) • Specific Heat of Ice = 2.09 J/gºC • Specific Heat of Water = 4.184 J/gºC • Enthalpy of Fusion for Ice = 6.02 kJ/mol • Molar Mass of Water = 18.015 g/mol

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all 43% LTE 2:34 Question 4 of 8 Submit Construct the expression for Ka for the weak acid, NH,*. NH,*(aq) + H,0(10) = H,0*(aq) + NH;(aq) 1 Based on the definition of Ka, drag the tiles to construct the expression for the given acid. Ka %3D 5 RESET [H,O] [H,O*] [OH-] [NH,] [NH,] [NH,] 2[H,0O] 2[H,0*] 2[OH-] 2[NH,] 2[NH,] 2[NH,] [H,0]? [H,0*12 [OH-]? [NH,*)? [NH,]? [NH,-]? II