When 230 g of unknown covalent compound is dissolved in 410 g of water the freezing point of the solution is -3.51. Find the molar mass if the compound.

What is the name of this hydrocarbon?

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?