Which device converts the mechanical energy of a spinning magnet into electrical energy?

Which best describes why nh4+ can form an ionic bond with cl-?

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?