What is the outcome of all chemical changes when two substances are combined?

All crystals have the same internal arrangement of atoms. a. True b. False

What's the difference between the independent and dependent variable

Which statements describe molecules? Check all that apply. Molecules are made of two or more atoms. A Molecules are all the same size B Molecules range in size. C Molecules are only made of atoms of the same element.

If a drop of red ink is placed in one end of a shallow pan filled with water, and a drop of blue ink is placed in the other end, how will the ink be distributed at true at equilibrium?

What happens to the speed of molecules in water vapor when it condenses to a form of liquid

How much is 35° C in F?

Which describes a precipitate in a chemical reaction? a a gaseous product formed from aqueous reactants b a solid reactant that forms aqueous product c a gaseous reactant that forms aqueous products d a solid product formed from aqueous reactants

Prepare a solution that is 0.1 M acetic acid and 0.1 M sodium acetate by measuring out 5.0 mL of the 1.0 M acetic acid solution and 5.0 mL of the 1.0 M sodium acetate solution in a 100 mL graduated cylinder, diluting the 10.

Which element has an ion that is smaller than an ion of calcium?

Which factor is responsible for the weak attraction between diatomic molecules of the halogens (group 7A) ? A) Hydrogen bonding B) Ionic bonding C) Dipole interactions D) London dispersion forces