Please help me asap thanks!! Am awarding brainliest Please help me asap thanks!! Am awarding brainliest

Using the set of orbitals, build a diagram describing the binding of this molecule by dragging an orbital or orbital set onto each atom

Ineed to find the answer of this question because i dont understand it

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

How many moles are in 123.0 grams of kclo4?