How many moles are contained in 12.4 g ch4?

What type of elements would form ionic bonds? covalent bonds?

How would John Dalton's atomic theory describe how atoms interact during a chemical reaction?

The color of a mineral in powdered form is the mineral"s?

Why are the seasons for the southern hemisphere reversed from the northern hemisphere

During an experiment, solid iodine was placed in a sealed container. The container was gradually heated and purple-colored vapors of iodine formed were observed. Describe this system when it reaches phase equilibrium.

What is the effect of a catalyst on a reaction? It increases the entropy. It decreases the entropy. It changes the equilibrium. It makes the products more stable.

Where should you place the title when constructing a graph?

Which of the following applies to He gas in the tank when additional oxygen is added at constant temperature? A rigid metal tank contains oxygen gas. A. The volume of the gas increases B. The pressure of the gas decreases C.

Which statement does NOT coincide with kinetic-molecular theory? A.) Gas particles assumed to have an insignificant volume B.) Gases are made up of hard spherical particles C.) All gases particles move in a constant random motion D.

If an atom has 6 electrons outside of its nucleus, which combination of protons and neutrons would result in a neutral atom?