You have 2 pieces of silver. Piece one has a mass of 5 g, and piece 2 has a mass of 10 g. Which is more dense?

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

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

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood