The united states rallied to the aid of cuba in 1898 mainly because it had a need for revenge against spain wanted to protect its own interests had a military base to protect wanted others to know freedom

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?