Which of the following substances used in this experiment would result in an acidic solution when added to water? Choose all that apply. HC2H3O2

NaOH

H3PO4

HCl

H2O

NH3

NH4NO3

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

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.