Why is water and effective solvent for many different types of compounds? a. it contains hydrogen bonds b. it contains polar covalent bonds. c. it has a high specific heat d. it expands when freezing

The heliocentric and the geocentric models of the solar system included these central principles

At what time will the interfering waves have an amplitudeof zero?

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.