If I soak a penny in vinegar, then it will be cleaner than the other solutions. What Is the dependent variable is this hypothesis?

How many oxygen atoms are in 10 formula units of AI2 (SO4) 3

Earth is just one of the planets that revolve around the Sun in the Solar System, and the Sun is just one of billions of stars within the Milky Way Galaxy. The Milky Way is one of thirty galaxies in a cluster of galaxies called the Local Group.

What is the mass (in grams) of 1.95 moles of water

When sodium hydroxide is dissolved in water, energy is released as heat to the surroundings l, causing an increase in the solutions temperature. which of the following best describes this type of reaction? a. - exothermic b. - exothermic c.

What effect does filtration have on water with a ph of 10?

Which term refers to the number of molecules or atoms that participate as reactants in an elementary step in a chemical reaction? molecularity particulates reactants submolecular

Due to food scarcity in ancient times people had to spend

A group of the same species makes up a?

When the nonelectrolyte glucose is dissolved in water, the solution contains___.

Pure substance definition is?