Naoh + hcl → nacl + h2o. what mass of water forms when 2.75 × 10–4 mol naoh reacts completely? given the equation, 2.75 × 10–4 mol naoh = g h2o

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.

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

How does carbon monoxide pose the greatest threat to humans? a. it can be produced by wood fires. b. it can be produced by home furnaces. c. it is produced by acid rain. d. it is produced by modern automobiles.