Hess's law allows you to find the net enthalpy of the magnesium combustion by adding the enthalpies of intermediate reactions. The <span>Hess's </span>Law<span> of Constant </span>Heat Summation states that<span> the total enthalpy change for the reaction is the sum of all changes</span> (no matter how many stages the reaction has).
<span>Passage of the Habeas corpus act 1679 meant that people could no longer be incarcerated or detained without due process by the court or by the people of England. It was passed during the reign of King Charles II that established a thorough examination of the accused through a trial before being judged as a law breaker.</span>
U.S. factory owners and employment agencies had begun recruiting heavily on Puerto Rico.
After 1945, economic changes transformed Puerto Rico's economy from a monocultural plantation economy into a platform for export-production in factories through what was called Operation Bootstrap. By the 1950s a growing unemployment problem left thousands of Puerto Ricans in need of a fresh start on American companies.
A and C are both right in their own ways. But I would go with A if I were you.
D is one of the mooooorrreeee incorrect ones.
