What is the net ionic equation for the reaction below?
Na2SO3(aq) + 2HBr(aq) → 2NaBr(aq) + H2O(l) + SO2(g)

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments