Four identical 2500kg objects are at the corners of a square with 12 m sides

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

The fact that the total amount of energy in a system remains constant is a(n)

Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?