Jacob eats a snack, and then plays basketball with his friends. when he shoots the basketball at the hoop, he is changing

a. chemical energy into mechanical energy
b. chemical energy into heat
c. mechanical energy into kinetic energy
d. electricity into heat

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

How do you convert 4 mmol of bromobenzene to ml?