How can a charged balloon attract a wall without any contact? A) The positive charges of the uncharged wall move to the outside.
B) The wall changes shape and the positive charges move to the inside.
C) The negatively charged balloon repels and moves away from the wall.
D) A positive charge in the balloon attracts the negative charges in the wall.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

What is the value of keq for the reaction expressed in scientific notation?

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