Post a New Question

chemistry

posted by .

Use the following reaction to answer the questions

4Fe(s) + 3O2(g) ® 2Fe2O3(g) ÄH = -1700 kJ


How many kJ are released when 2.00 g Fe react?
How many grams of rust form when 453 kJ of energy are released?

  • chemistry -

    Do these as a proportion..

    2gramsFe/4molesFe=Energy/-1700kj

    of course, convert the 4 moles to grams.

    gramsrust/2molesFe2O3=-453/-1700

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question