2. How does energy transfer from a food chain to an energy pyramid? Answer the questions and draw an example of each by either using the insert then draw tool above or draw on a separate piece of paper and insert picture.

Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?

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 ) .

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+