This is a net gain or loss of electrons

State the pressure-volume law both in words and in the form of an equation.

What are three every day devices that could not have been developed without the discovery of electromagnetism

What is the density (g/ml) of an object that has a mass of 14.01 grams and when placed into a graduated cylinder, causes the water level to rise from 25.2 ml to 33.6 ml?

Sulfurous acid is a diprotic acid with the following acid-ionization constants: Ka1 = 1.4x10-2, Ka2 = 6.5x10-8 If you have a 1.0 L buffer containing 0.252 M NaHSO3 and 0.139 M Na2SO3, what is the pH of the solution after addition of 50.0 mL of 1.

Balance the following equation: MgO + HCl = MgCl2 * + H2*O

At what temperature would the volume of a gas be 0.550 L if it had a volume of 0.432 L at - 20.0 o C?

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound? A.) NiF B.) Ni3F2 C.) NiF2

Combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4. Which ions are spectator ions in the reaction?

Which kind of wave increases in height due to strong winds?

Solid lead IV oxide decomposes into solid lead and oxygen gas.