The reaction below was carried out in an acidic solution. [ +103 —>12
Which statement is true about this equation?
Although it is unbalanced, it can be balanced by using the half-reaction method.
O It has been balanced by using the half-reaction method.
O It has been balanced by directly using spectator ions.
O Although it is unbalanced, it can be balanced by directly using spectator ions.

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?