Draw a model that explains why both positively and negatively charged pieces
of tape stick to the wall (on the non-sticky
side of the tape)
Explain your model.

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

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays

Why is it incorrect to balance a chemical equation by changing the subscripts? explain.