While cleaning out the garage, Duane found his old bicycle. Some of the paint had worn off, exposing the iron frame inside. Duane noticed that parts of the iron frame had become reddish-brown and rough and that parts were flaking off. What happened to Duane's old bicycle?

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.