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Mathematics 8 Online
OpenStudy (dramaqueen1201):

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OpenStudy (dramaqueen1201):

A quantity of 3.25 g of CaC2 is reacted with an excess of water at 30 C and atmospheric pressure: CaC2 (s) + 2H2O (l) --> Ca(OH)2 (aq) + C2H2 (g) Calculate the work done in joules by the acetylene gas against the atmospheric pressure. Question 3 options: -128 J 128 J 811 J -811 J 13 J -13 J

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