Hess' Law

• This page is an exercise in using Hess' Law. When you press "New Problem" a window will appear which presents a Hess' Law scenario.
• If the new window covers up any of the needed parts of this main window, the new window can be dragged to a new position.
• Calculate the needed enthalpy, enter it in the cell and press the "Check Answer" button.
• The results will appear in the table on the main page.
• This page is complex, but it's not intended to be tricky. Thus, no attempt has been made to mislead you.
• There should be a straightforward combination of the contributing reactions which yields the desired reaction.
• If you miss a problem three times, pressing "Show Answer" will cause the correct answer to appear.