A gas expands and does P-V work on the surroundings equal to 275 ). At the same time, it absorbs 216 ) of heat from the surroundings. What is the change in energy of the system?

What type of electromagnetic radiation has a shorter wavelength than blue light

What is the empirical formula for c4h8o2

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