How many photons are contained in a flash of blue light (422 nm) that contains energy? show your work. answers wit attention to significant figures and units

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.

hypostyle hall;