Yall I need your help I'll give brainliest Predict: would the size of a soccer ball change or remain the same if you placed it in the freezer? Write tour response in your science journal.

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.

What kind of simple machine is a catapult?

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?