A helium balloon has a volume of 5.0 L at a pressure of 101.3 kPa. The balloon is released and reaches a high altitude at a pressure of 50.7 kPa. What is the new volume of the balloon?​

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

How many neutrons does a atom of cobalt have?

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.