Which physical property is being used to separate the mixtures in each of the following cases?

a) A magnet is used to separate iron filings from sand.

b) Fat is skimmed off the top of a sauce.

c) A sample of ocean water boiled until only salt remains.

Calculate the molar mass CaCl2 Ca (NO3) 2 Ca (OH) 2 CaSO4 BaCl2

If you had a sample of beryllium, would all of the atoms be identical. what about a sample of carbon

What is the temperature of the sun's surface?

Threats faced by the Everglades and the Louisiana wetlands.

Meaning of natural transmutation

Why are the atomic masses for most elements not whole numbers?

An aqueous solution is 0.387 m in hcl. what is the molality of the solution if the density is 1.23 g/ml?

Carbon monoxide reacts with oxygen to form carbon dioxide. 2 CO (g) + O2 (g) → 2C02 (8) In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask? 4.30 atm 2.

The nerves that Branch out from the spinal cord and connect to the body

The term southern oscillation most nearly refers to