Please help! What is the identity of the element that produced the unknown emission spectrum and what information does the spectrum give about the source
of the element? Explain your answer.

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

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