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		<loc>https://www.onlinelearningsystem.net/xyz/revision-notes/a-level-chemistry/ocr-a/practical-activity-groups/pag-3-enthalpy-determination/</loc>
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	</url>
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		<loc>https://www.onlinelearningsystem.net/xyz/revision-notes/a-level-chemistry/aqa/required-practicals/rp3-effect-of-temperature-on-rate-of-reaction/</loc>
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			<image:loc>https://www.onlinelearningsystem.net/xyz/wp-content/uploads/2026/09/core-practical-chl-sepfunnel.jpg</image:loc>
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