The energy of a photon is

3.60*10^-15 J, calculate the frequency

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .