Gasoline is homogenous or heterogeneous

How to determine: 1) Mass of BaCl2. XH2O? 2) Mass of barium chloride anhydrous? 3) Mass of water in BaCl2. XH2O? 4) Percent composition of water in BaCl2. xH2O? 5) Formula of barium chloride hydrate?

In liquid water, an equilibrium exists between H2O (ℓ) molecules, H + (aq) ions, and OH - (aq) ions. A person experiencing acid indigestion after drinking tomato juice can ingest milk of magnesia to reduce the acidity of the stomach contents.

The element sulfur is classified as a 1. metal 2. metalliod 3. nonmetal 4. noble gas

If you had 35g of salt at 40 C would the solution be unsaturated or saturated

Consider a human population that consumes a certain resource. Which of the following statements about this situation is most likely to be true? If the size of the population increases, individual people will want to use more of the resource.

N which orbitals would the valence electrons for selenium (Se) be placed? s orbital and f orbital s orbital only s orbital and p orbital d orbital only

Anne prepares a solution of copper nitrate with a concentration of 30 g/dm³. What mass of copper nitrate did she add to 100cm³ of water, in grams?

Chemists classify an element an element as a metal based on what physical properties

What is the mass of 222 ml of ice if the density of ice is 0.92 g/ml?

in a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A _ bond is found in a water molecule