Coù dung dòch H3PO4 14,6%
(d = 1,08g/ml). Vaäy dung dòch coù noàng ñoä mol laø:

Describe the interaction that occurs between two objects with the same electrical charge.

In a copper wire, a temperature increase is the result of which of the following

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.