Calculate the grams needed to create a .7 molar solution of NH4I in 4 liters of water.

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several