A toy car accelerates from rest at a constant rate for 3 seconds. The car travels 9.0 meters in 3 seconds. What is the acceleration of the car? a. 0.5 meter per second squared
b. 1.0 meter per second squared
c. 2.0 meters per second squared
d. 3.0 meters per second squared

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.

When using the scientist method, which step comes last?

What are close-toed shoes least likely to provide protection against? hydrogen gas produced during a reaction spilled water from a hot-water bath broken glass from a dropped test tube acid leaking from a cracked beaker