The pH of a 0.0001M (10-4 M) HCl solution is ; The pH of a sample of milk is 6.5, while a sample of soft drink has a pH of 4.5. The hydrogen ion concentrations ([H ]) of the two samples are .

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.

Define a is a tiny pavket of energy

Is 9 correct? and can someone me with 10? it’s due tomorrow, you