Under certain conditions neon gases diffuse at a rate of 7.0 cm/s under the same conditions as an on known gas defuses at a rate of 4.9 per second what is the approximate molar mass of the unknown gas?

Which statement is true about ionic compounds?

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

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.