Oxygen-18 is a naturally-occurring, stable isotope and is commonly used is scientific studies as a tracer. Using the periodic table, explain the difference between oxygen-18 and oxygen-16.

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.