Balance the following chemical equation: Al(NO3)3 + K2SO4 —> Al2(SO4)3 + KNO3

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils