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Posted by on Sunday, November 23, 2008 at 10:33pm.

What is an experimental technique that could be used to determine the enthalpy of combustion of magnesium directly? Not using Hess's Law!!

any help is appreciated :)

  • Chem - , Sunday, November 23, 2008 at 10:37pm

    Use a bomb calorimeter... or some kind of calorimeter... I'm just guessing; hopefully the calorimeter idea isn't stupid! Good luck.

  • Chem - , Sunday, November 23, 2008 at 10:41pm

    thanks :)

  • Chem - , Sunday, November 23, 2008 at 10:44pm

    No problem!

  • thermochemistry - , Monday, May 6, 2013 at 5:55pm

    A 12.48g sample of an unknown metal, heated to 99'c was then plunged into 50mL of 25'c water. The temperature of the water rose to 28.1'c. The specific heat of water is 4.184J/g.

    1. How many joules of energy did the water absorb?
    2. How many joules of energy did the metal lose?
    3. What is the heat capacity of the metal?
    4. What is the specific heat of the metal?

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