Recent content by boboclown

oh ok ty

can hydrochloric acid seriously injure say your hand if it hit it? serious burns or down to the bone?

delta T?

Homework Statement a cup of coffee (140g) cools from 75 degrees C down to 20. degrees C. how much energy does it release to the surroundings? answer in J suppose dutring volleyball practice, you lost 2.0 lbs of water due to sweating. if all of this water evaporated, how much energy did the...