Calculate the change in internal energy of 3.00 mol of helium gas when its temperature is increased by 2.00 K.

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.

Why doesn't heat added to water make the tempature rise above 100c

What is the independent variable in this investigation? mass volume sample number substance density