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Size:  27.3 KB I don't understand the explanation for each of the answers? How can c not be the answer since there is no hydrogen in the equation. So surely the enthalpy change of hydrogen can't be used to represent water?

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    (Original post by coconut64)
    Name:  u.png
Views: 23
Size:  27.3 KB I don't understand the explanation for each of the answers? How can c not be the answer since there is no hydrogen in the equation. So surely the enthalpy change of hydrogen can't be used to represent water?

    Thanks
    How do you get the water?
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    (Original post by alow)
    How do you get the water?
    Hydrogen reacting with oxygen. But this is only one reaction, so surely you will just use the enthalpy change of water ...
 
 
 
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