Which sub-layer thins out into space, where there is no air

A rock weighing 26.0 g is placed in in a graduated cylinder displacing the volume from 13.2mL to 25.3 mL. What is the density of the rock in grams/cubic centimeter?

When this equation is correctly balanced using smallest whole numbers, what is the coefficient of O2 (g)

What is the smallest particle of an element?

Name two common DNA stains that are used to visualize DNA on agarose gels.

1) What is the mass of 5.24 moles of Fe504-7H2O?

If you change the state of something, say, liquid to solid, is it a physical or chemical change?

What type of calorimeter would be best to use if you wanted to measure the heat that is released when gasoline is burned?

Tina has a sample of gaseous water at a temperature of 400 C and a pressure of 4 atm. If Tina increases the pressure to 200 atm, will the gaseous water liquefy? Why or why not?

Label the molecular shape around each of the central atoms in the amino acid glycine. hint

Which has more atoms, 2moles of carbon or 2 moles of aluminum