What is the smallest particle present in water?

This is for a study guide, I can't figure it out! You draw back on the piston of a pump and the volume of air in the pump doubles. Which of the following happens? a. The number of collisions per unit area doubles. b.

Aluminum and sulfur will combine to make a compound. Al_S_ Fill in the blanks with the number of the subscript.

What two layers make up the lithosphere

What is the empirical formula of a compound with a % composition of 40.1% sulfur and 59.9% oxygen?

What's the ratio hcl:h2o

How many atoms are in 1.25 moles of calcium acetate, ca (c² h³ o²) ²?

What is a physical change? A change in matter from one form to another without becoming a new substance. A change in matter that results in a chemical reaction. A change in matter that results in the smallest unit of a compound.

You are in the room with several objects, the temperature in the room is 21 celcius, what can you assume about the temperatures of the objects in the room?

If a sample contains 74.0% of the R enantiomer and 26.0% of the S enantiomer, what is the enantiomeric excess of the mixture?

In a solution, the solvent particles are attracted to the solute particles by: a) ion/dipole forces b) dipole/dipole forces c) van der Waals forces d) any or all of these forces