NASA detected a burst of gamma rays from a neutron star in space. The gamma radiation had a frequency of 1.0 × 1019 Hertz and the burst released a total of 1.0 × 1044 J of energy. How many moles of photons of gamma radiation were released during this burst?

70 give a real life example showing how sensory neurons work with the motor neurons

According to valence bond theory, which orbitals overlap in the formation of the bond in hf according to valence bond theory, which orbitals overlap in the formation of the bond in hf 2s on h and 2p on f 1s on h and 2s on f 1s on h and 1p on f 1s on h and 2p on f 1s on h and 3p on f

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive