Which is the following is true about the properties of the mantle? The mantle produces magnetic fields.
The mantle is hotter the core.
The mantle contains two different layers.
There are rock samples collected from the mantle.

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

Light waves can move through , but they travel fastest when they move through a(n) .

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?