heated lithium atoms emit photons. What is the total energy in 1 mole of these photons? what is the color of the emitted light?

Calculate the number of moles of ethane in 100 grams

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

Which of the following molecules is polar? c3h7oh c2h5cooh