A chemist determined by measurements that 0.015 moles of iron participated in a chemical reaction. Calculate the mass of iron that participated in the chemical reaction. Round your answer to a number of significant digits. dose this right 0.84

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

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.