Which of these processes involves the splitting of an atom? nuclear fusionchemical reactionnuclear fissionphysical change

Why is water water and not dirt and why is air also water?

Refrigerators make use of the heat absorption required to vaporize a volatile liquid. a fluorocarbon liquid being investigated to replace a chlorofluorocarbon has a molar heat of vaporization of 26 kj/mol at 250 k and 750 torr. calculate

If you have some kind of chemistry going on with a boy that you like how would you know if you and him are ment to be together?

A diver is 15 feet below sea level. A scientist on a boat is 12 feet above sea level. Who is farthest from sea level.

2.26 g of liquid water at 23.5 ◦C was com - pletely converted to ice at 0 ◦C. How much heat was (absorbed/released) by the system during this process?

Which period is the shortest in the long form of the periodic table? Name all the elements in this period.

A mole of gas at 0.0oC and 760. torr occupies 22.4 L. What is the volume of this gas at 25. oC and 760. torr

Is a nylon string conductor or insulator

Discuss 2 ways the cells are alike

How might a lizard that dies in a swamp become a fossil?