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Chemistry worksheet on enthalpy and Hess's Law with three problems requiring calculation of ΔH for different chemical reactions using provided data.

A worksheet titled "Enthalpy and Hess's Law" featuring three chemistry problems that involve calculating enthalpy changes (ΔH) for various chemical reactions using given data, including reactions with CO₂, H₂O, C₂H₂, Fe, Cl₂, and H₂O₂.

WEBP 742×1050 39 KB Free · Personal Use

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ID: #477051

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Final Answer:
① ΔH = +260.3 kJ
② ΔH = −399.5 kJ
③ ΔH = −196 kJ/mol

Parent Tip: Review the logic above to help your child master the concept of enthalpy worksheet.

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