What are the [H+] and [OH-] in an aqueous solution prepared by dissolving 0.50 g of HClO4 in 75.0 ml of solution?

Explain one reason why disorders are not easy to classify.

Want fre points & brainliest? answer this drivers ed question correctly and i got you : ) where do you not need to look before you change lanes or pass another vehicle? a. out your window toward your target lane b. in your rearview mirror at cars behind you c. over your shoulder, at your blind spot d. inside the vehicle you plan on passing

The tension between the issues of slavery and immigration led to the destruction of which political party? a) constitutional union b) democratic c) know-nothing d) whigs