Verify the Hess's Law by calculating the % difference using the following thermochemical equations: NaOH(s) Na*(aq) + OH (aq) + 2453 J -> Na*(aq) + OH (aq) + H*(aq) + CI(aq) → H20 + Na* (aq) + Cr(aq) + 2963 J NaOH(s) + H*(aq) + CI(aq) → H20 + Na*(aq) + cr(aq) + 5286 J O 44% 89% O2.4% O 1.2% 0.024% O 0.89%

Chemistry: Principles and Practice
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Chapter5: Thermochemistry
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Verify the Hess's Law by calculating the % difference using the following thermochemical equations:
NaOH(s) Na* (aq) + OH(aq) + 2453 J
Na*(aq) + OH (aq) + H*(aq) + Cr(aq) → H20 + Na*(aq) + Cr(aq) + 2963 J
NaOH(s) + H*(aq) + CI(aq) →
H20 + Na*(aq) + Cr(aq) +5286 J
44%
89%
O 2.4%
O 1.2%
0.024%
0.89%
Transcribed Image Text:Verify the Hess's Law by calculating the % difference using the following thermochemical equations: NaOH(s) Na* (aq) + OH(aq) + 2453 J Na*(aq) + OH (aq) + H*(aq) + Cr(aq) → H20 + Na*(aq) + Cr(aq) + 2963 J NaOH(s) + H*(aq) + CI(aq) → H20 + Na*(aq) + Cr(aq) +5286 J 44% 89% O 2.4% O 1.2% 0.024% 0.89%
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