Which of the following is the correct formula for copper (1) sulfate trihydrate?
o cu 250 4.3h 20
o cuso 4 - 3h 20
o cu 250 4(h 20) 3
cuso 4(h 2013

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.