When a drawing made with a black marker gets wet, the marker bleeds and more separates into several colors. What method of separation does this describe?

1. evaporation

2. distillation

3. filtration

4. chromatography

Which reaction is endo thermos?

What is the chemical equation for why the Statue of Liberty turned green

Which groups tend to form + 1 ions

What happens to the temp a ture of a substance while it is changing stae?

Which can occur in the rock cycle?

What is the temperature of 100 liter container having 1 mole of an ideal gas at a pressure of 20 kilopascals

5.2*10^26 molecules of ch4 in volume

Which of the following statements about igneous rocks is correct A. intrusive igneous rocks are formed when magma is called above the ground. B. Extrusive igneous rocks are formed when magma is cooled above the ground C.

The compound KOH is called

A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?