Identify the following as an example of a physical property or a chemical property. Barium melts at 725°C.

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above