Date : imagine a universe in which the fair quantum
numbers can have the same possible values as in our
universe, except that the angular momentin quanto
nuumber (L) can have integral values of 0, 1, 2
; (N+1) instead of 0,1,2,., 0-10)
a) How many elements would be in the first two
rows of the Periodic Table in this universe

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .

Rays from the sun are not considered matter true or false