A student is working with a sample of a solid substance X. The student heats up three different masses of the substance to various temperatures and measures the
amount of water vapor produced. What is true about this students experiment?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

Find the number of moles of argon in 364g of argon.