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7 November, 20:07

Completely reacting 150.0 g of a substance with oxygen releases 395.1 J of energy. How much energy would be released if 450.0 g of the substance completely reacted with oxygen?

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  1. 7 November, 20:08
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    1,185.3 J is the correct answer
  2. 7 November, 20:11
    0
    To solve this problem we just need to use the rule of three:

    150g ... 395.1J

    450g ... xJ

    x = 450*395.1/150 = 1185,3J

    450.0 g of the substance completely reacted with oxygen will produce 1.1853 kJ (kiloJoule)
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