If a chemist wants to make 1.3l of 0.25m solution of koh by diluting a stock solution of 0.675 m koh, how many milliliters of the stock solution would the chemist need to use?

In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature

Which type of reaction always has an element and a compound as reactants

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.