What do physical changes do?

1 affect the size, shape, and a phase of a substance

2 after the chemical structure of a substance

3 increase the total mass of a substance

4. becomes a new chemical substance

only can choose one

Bronsted-Lowry bases are proton acceptors donors reducers

What is the concentration of ammonium ions in a 0.100 M solution of (NH3) 2SO4?

Bricks made of mud dried in the sun are

A 3.30 M aqueous solution of LiCl has a density of 1.0736 g/mL. If the total mass of the solution is 66.0 g, what masses of solute and solvent are present

What energy is created when an electron is added to a neutral atom of an element, forming a negative ion?

True or False: DNA is our genetic make-up. It is why we have a certain eye color, and hair color, etc.

Which hybrid orbitals would be formed if one s orbital and three p orbitals combined?

The way light bounces off a minerals surface is describe by the minerals

Physical properties can be used to describe matter. Some properties are dependent on the amount of matter present. All BUT ONE of these physical properties changes with the amount of matter. That is A) density. B) mass. C) volume. D) weight.

Which term best describes the substances that cause oil and water molecules in salad Dressing to interact and mix? surfactants miscible liquids immiscible liquids compressed molecules