Asolution containing large amounts of solute in comparison to solvent is what?

Which statement about covalent bonds is true

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

What component of earth’s atmosphere exists entirely as a result of photosynthesis?