<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31410599</termId><termName>thermochemistry</termName><termType>PT</termType><termNote><![CDATA[ The branch of chemistry that deals with the amounts of heat evolved or absorbed in chemical reactions and physical change of state.  ]]></termNote><termCreatedDate>2026-03-30 20:50:24</termCreatedDate><relation><relationType>BT</relationType><termId>31372735</termId><termName>chemistry</termName><termType>PT</termType></relation></term>  </Zthes>