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    • 根据以下数据，计算乙酸乙酯的标准摩尔生成焓 ΔfHΘm(CH3COOC2H5,1,298.15 K)。CH3COOH(l)+C2H5OH(l)=CH3COOC2H5(l)+H2O(l)，ΔrHΘm(2

    根据以下数据，计算乙酸乙酯的标准摩尔生成焓 ΔfHΘm(CH3COOC2H5,1,298.15 K)。CH3COOH(l)+C2H5OH(l)=CH3COOC2

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    • 已知：CH3CH2CH2CH3（g）+O2（g）4CO2（g）+5H2O（l）&

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    • 12.[填空题]-|||-_(H)_(3)-CH-C(H)_(2)-CH-CH-CH-C(H)_(3)-|||-CH3 CH2 CH2 CH3-|||-CH3 CH3 是 __ -O

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    • Br-|||-(1)-|||-Br H-|||-CH3-|||-CH2CH3-|||-H Cl-|||-(2)-|||-H H-|||-CH3-|||--C(H)_(2)-|||-Br-|||-(3)

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    • (H)_(2)=CH-CH-C(H)_(3)-|||-C. (H)_(2)=CH-C(H)_(2) D. ((C{H)_(3))}_(2)-C(H)_(2)

    (H)_(2)=CH-CH-C(H)_(3)-|||-C. (H)_(2)=CH-C(H)_(2) D. ((C{H)_(3))}_(2)-C(H)_(2)

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    • -c- CH-CH3-|||-B H2C 1-|||-H-|||-CH3CH3-|||-C CH3 c- CH-CH2-|||-i H-|||-CH3CH3-|||-D CH3 C- CH-CH2-|

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    • (C(H)_(3)C(H)_(2))_(2)C=C(H)_(2)-|||-b. CH3CH2 CH2CCH 2(CH2)2 CH3-|||-C. (H)_(3)C=CHCHC(H)_(2)C(H)_(

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