All of the following changes to a metal are physical changes except. bending

melting

rusting

polishing

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

Compare and contrast physical changes with chemical changes.

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 ) .