Moving the magnet away from the electromagnet will transfer energy into the system if: A. The electricity is OFF.
B. The electricity is ON.

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

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Is 343 in the sequence -5, -2, 1, 4, 7