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In lab a student calculates the following equilibrium concentrations for Fe(aq)3++SCN(aq)−⇋FeSCN(aq)2+ at each of the sp...

In lab a student calculates the following equilibrium concentrations for Fe3+(aq) + SCN-(aq) reversibly becomes FeSCN2+(aq)Fe(aq)3++SCN(aq)−⇋FeSCN(aq)2+ at each of the specified temperatures. Calculate delta H naughtΔH∘ in units of kJ/molkJmol. Report your answer to two places after the decimal.

Data Table

Temp (C) K
5.4 221.2
22.4 185.9
64.3 134
77.3 125
0 0
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Answer #1

• -- Data Trendline In K Eqn. of best fit line y = 2.60 + 777.93 x 4.8 0.0028 0.003 0.0032 0.0034 0.0036 T (Kelvin)VANS HOFF EQUATION M K = -Alt + AS RTR A plot of luk us I will BE A STRAIGHT LINE WITH Swope - - AH! R R R EQUATION OF TRE

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