A balloon has equal moles of H2, N2, Cl2, and F2 gas particles. If the balloon has a total pressure of 2atm, a volume of 3L, and a temperature of 300K, how many moles of H2 gas particles are there?

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

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

Is this correct if not can u correct me