Pressure increases from Earth's surface toward the center of Earth.

True Or False

What inference can be drawn from the graph? A + B C + D A The reaction between A and B is reactant favored. B. The amount of product is greater than the amount of reactant. C. The reaction uses all its reactants to form products.

Atoms that have the same number of valence electrons in their outer shell

How many molecules of ethylene diamine will react with?

Which medium (the glass, water or diamond), is the most dense and how do you know?

Suppose you found a material in which 12.5% of the original radioactive atoms were present. if the half-life is 47 years, how old is the material?

What is the differnce between a stimlus and a response

A stack of books are sitting on the table. Which force is pulling it down? A. Buoyant force B. Pressure force C. Gravitational force

Can some one explain what solubility means? I really do not get it and we have a sub for the next week

The atomic number of an atom identifies the number of protons in its nucleus. If the overall charge on the atom is neutral, what must the atomic number also identify? A. the most common isotope's mass B.

A solution containing 2.8 moles of magnesium bromide is combined with a solution containing excess potassium carbonate. This chemical reaction takes place: MgBr2 (aq) + K2CO3 (aq) → MgCO3 (s) + 2KBr (aq). If the volume of the resulting solution is 1.