What is the mass of 0.2 moles of ethanol​

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

What term describes technology that operates on an atomic level

What happens to the temperature of a substance when the average kinetic energy of its particles increases?