In this experiment it takes about 6 microliters of solution
toproduce a spot 8mm in diameter. if the cu(no) solution
containsabout 6g cu^2+ per liter how many micrograms of cu^2+ ion
are therein one spot?

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

Wind and moving water provide energy. chemical mechanical thermal none of the above

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.