Which of the following statements is true? The phases of the moon are caused by its synchronous rotation.
The moon is the smallest satellite in the solar system.
The moon causes the Earth to wobble as it rotates.
As a moon wanes, the size of its illuminated surface gets smaller.

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

How does the entropy of steam compare to the entropy of ice?

Which of the following is the best name for mgcl2