This group of elements in located in the center of the periodic table a. alkaline-earth metals
c. alkali metals
b. halogens
d. transition metals

  the mississippians were considered to be  horticulturalists, which means they were

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

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