The conjugate base of H2CO3 is

HCO3-

CO32-

OH-

H2O

On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density

The biomedical technique in which a part of the brain is destroyed with electric current is known as a. electroconvulsive therapy b. prefrontal lobotomy c. bilateral cingulotomy d. tardive dyskinesia

Based on the equation, how many grams of br2 are required to react completely with 29.2 grams of alcl3? alcl3 + br2 → albr3 + cl2 48.7 grams 52.6 grams 56.7 grams 61.3 grams