Which of the following would create voltage in a coil of wire? a. spinning a coil of wire in a magnetic field b. spinning a magnet in coil of wire c. sliding a magnet back and forth in a coil of wire d. all of the above

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What is the mass of 8 moles of sodium atoms