Part D What is the equilibrium pOH of a 1.0 M solution of formic acid (HCO2H) if Ka = 1.8 x 10-4?
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One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?