Carlos uses a machine to decrease his force. what happens

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

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

How many neutrons does an element have if its atomic number is 50 and its mass number is 166