AP EAPCET Medical 19 May 2025 Shift 2 Paper
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Question : 130 of 160
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The standard enthalpy of formation of C 2 H 4 ( g ) , CO 2 ( g ) and H 2 O ( ℓ ) are 52 , -394 and − 286 kJ mol − 1 respectively. The heat evolved by burning 7 g of C 2 H 4 ( g ) is
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