What does D represent?
- energy of the products
- energy of the reactants
- reactants, Q +R
- products, N + M
![What does D represent energy of the products energy of the reactants reactants Q R products N M class=](https://us-static.z-dn.net/files/da6/93dae5a4b72ec6d6c0237661975df4e2.png)