A. explain the difference between an exothermic chemical reaction and an endothermic chemical reaction.
b. how is the enthalpy of reaction related to the enthalpies of formation for the products and reactants?

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

Who discovered a pattern to the elements in 1869?

(04.05 hc) analyze the given diagram of the carbon cycle below. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.