Ka for benzoic acid, C6H5COOH, is 6.30×10-5. Ka for acetic acid, CH3COOH, is 1.80×10-5. Ka for hypochlorous acid, HClO, is 3.50×10-8. What is the formula for the weakest conjugate base?

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays