Chemistry
Senior High
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78. へスの法則次の将化学方程式の反応熱のの値を。Fの⑨①③を用いて求めょ
CH。寺HzO(気)=CO+3H。+ Ok
2Hz寺0。三2HzO(気)十484kj 0M
2CO+0z三2COz十566kj …⑨
CH4十20z王COz十2Hz0(気)+803k] …⑧③
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