Calculate the heat evolved or absorbed when 10.0 g of (a) NaCl; (b) NaI; (c) AlCl 3
Question:
Calculate the heat evolved or absorbed when 10.0 g of
(a) NaCl;
(b) NaI;
(c) AlCl3;
(d) NH4NO3 is dissolved in 100. g of water. Assume that the enthalpies of solution in Table 5D.3 are applicable and that the specific heat capacity of the solution is 4.18 J · K–1 · g–1.
Transcribed Image Text:
TABLE 5D.3 Limiting Enthalpies of Solution, AHsol/(kJ.mol-¹), at 25 °C* Cation lithium sodium potassium ammonium silver magnesium calcium aluminum fluoride chloride bromide iodide hydroxide carbonate sulfate nitrate +4.9 - 37.0 -48.8 - 63.3 -23.6 - 18.2 -2.7 - 29.8 +1.9 +3.9 -0.6 -7.5 - 44.5 - 26.7 +20.4 -2.4 - 17.7 +17.2 +19.9 +20.3 -57.1 - 30.9 +34.9 -23.8 - 1.2 +14.8 +16.0 +13.7 +25.7 +6.6 -22.5 +65.5 +84.4 +112.2 +22.6 +17.8 - 12.6 - 160.0 -185.6 213.2 -90.9 -91.2 +11.5 -19.2 -103.1 - 119.7 -368 -385 -27 - 81.3 Anion -329 - +2.3 - 16.7 - +41.8 - 25.3 - 13.1 -18.0 - 350
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Related Book For
Chemical Principles The Quest For Insight
ISBN: 9781464183959
7th Edition
Authors: Peter Atkins, Loretta Jones, Leroy Laverman
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