Classify the following as an acid or base using the arrhenius definition of an acid or base.
hno3 is an arrhenius and increases the concentration of when added to water.

koh is an arrhenius and increases the concentration of when added to water.

ca(oh) 2 is an arrhenius and increases the concentration of when added to water.

h2so4 is an arrhenius and increases the concentration of when added to water.

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

__can be defined as which velocity changes

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.