An atom emits a photon of wavelength 1.08 meters. what is the energy change occurring in the atom due to this emission? (planck's constant is 6.626 × 10-34 joule seconds, the speed of light is 2.998 × 108 m/s)

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Which compound contain an iron with a 3+ charge