What is the internal energy of 7.00 mol of n2 gas at 40c? a) 18,200j b) 5820j c) 45,500j d) 11,600j

Positrons are spontaneously emitted from the nuclei of

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

7types of electromagnetic waves from lowest to highest frequency