The amount of energy released by the combustion of a given fuel is the result of the subtracting the energy required to break the bonds of the reactants from the energy released by the formation of bonds in the products.
Kansas Nebraska Act. This Act set up Kansas and Nebraska as states. Each state would use popular sovereignty to decide what to do about slavery. People who were pro-slavery and antislavery moved to Kansas, but some antislavery settlers were against the Act.
The Kansas-Nebraska Act of 1854 allowed citizens in the Kansas and Nebraska territories to decide locally whether to allow slavery. The act was modeled on the Compromise of 1850 but repealed both that compromise and the Missouri Compromise of 1820.