take a piece of iron and steel and magnitize it experience its magnitism. now demagnitise it and experience its demagnitism. how did you do that. explain with observation and experimentation draw diagram if necessary

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

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 ) .