6. You have $50.00. You buy a CD for $15.50. You sell it to your friend for $12.00. He doesn't like it, so you buy it back for $10.00. There is a scratch on it, so you return it to the store and get
your money back. How much did you lose or make?

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

What is the value of the standard enthalpy of formation of an element in its most stable form?

(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.