How many moles of NaBH4 are necessary to completely react (just enough, not excess) with 4.60 moles of benzil in the synthesis of meso-hydrobenzoin (the reduction experiment).

the atomic mass is the bottom number on the element.

-steel jelly

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.

the answer is barium and copper bromide

b.false that your answer