Use the thermochemical equations shown below to determine the enthalpy for the final reaction:

2Fe(s) + 3⁄2O2(g) ---> Fe2O3(s) ΔH = kJ

When balancing a chemical equation:

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: