What would be the total volume of the new solution when it is changed from 0.2 m to 0.04 m? 0.02 ml 0.08 ml 2 ml 50 ml

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.