Thermochemistry: Heat and Volume Effects in Solution
Essay by Davi • May 17, 2017 • Lab Report • 488 Words (2 Pages) • 1,043 Views
Experiment No. 9
HEAT AND VOLUME EFFECTS IN SOLUTION
Objectives:
To determine the relation between heat effects and volume changes accompanying solution formation.
To correlate molecular structures to intermolecular force and its influence on the solution process.
Data:
Table 1. Predicted results and observed results.
TWO COMPONENTS MIXTURES
PREDICTIONS
OBSERVATIONS
REMARKS
∆ H
∆V
∆H
∆V
Methanol-acetone
Exothermic
< 8
Exothermic
= 8
⬆ in ∆V as ∆H ⬆ at room temp
Methanol- ethanol
Exothermic
< 8
Exothermic
< 8
⬆ in ∆V as ∆H ⬆ at room temp
Methanol-dichloroetane
Exothermic
< 8
Exothermic
< 8
⬆ in ∆V as ∆H ⬆ at room temp
Ethanol-acetone
Exothermic
< 8
Exothermic
< 8
⬆ in ∆V as ∆H ⬆ at room temp
Ethanol-dichloroethane
Exothermic
< 8
Exothermic
< 8
⬆ in ∆V as ∆H ⬆ at room temp
Acetone-dicholoroethane
Exothermic
< 8
Exothermic
< 8
⬆ in ∆V as ∆H ⬆ at room temp
Discussion:
In
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