Which chemical equation correctly represents the reaction that takes place when nitrogen gas and hydrogen gas are formed as ammonia decomposes? (4 points) a N(g) + H3(g) → NH3(g) b 2N(g) + 3H2(g) → 2NH3(g) c 2NH3(g) → N2(g) + 2H3(g) d 2NH3(g) → N2(g) + 3H2(g)

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity