What is the total charge of the radon nucleus? (the neutral radon atom has 86 electrons.) tries 0/20 what is the magnitude of its electric field at a distance of 1.96×10-10 m from the nucleus? tries 0/20 what is the magnitude of the force on an electron at that distance? tries 0/20 what would the magnitude of the force be if the distance of the electron from the nucleus were halved?

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

10 points! will mark brainiest! in a heat engine if 1,000 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 initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!