How many moles do you have if you have 1.50x 10^23 molecules of MgO

a sample of 3.00 g of so2 (g) originally in a 5.00 L vesselat 21 degee Celsius is transferred to a 10.0 L vessel at 26 degree Celsius a sample of 2.35g of N2 g originally in a 25.0 L vessel at 20 degree Celsius is transferred to same 10.

A fish may have hundreds of offspring at a time and only a small number can survive. which characteristics of fish might allow them to survive

What is the sum of 0.0421 g + 5.263 g + 2.13 g to the correct number of significant digits? A) 7 g B) 7.4 g C) 7.44 g D) 7.435 g

The random movement of molecules in a solvent causes which of the following in a cube of solid solute?

What are two liquids found on the periodic table

There is inverse relation between pressure and diffusion in liquid phase? •True •False

What do you need in order to do a stoichiometric calculation? (Choose multiple) Balanced Chemical Equation Molar masses of compounds involved The type of reaction taking place Oxidation Numbers

The correct mathematical expression for finding the molar solubility (s) of sn (oh) 2 is:

18. which bond is most polar? H--F H--Cl H--Br H--I

What kind of reaction is ca (s) + h3po4 (aq) ca3 (po4) 2 (s) + h2 (g)