What is the ph of a solution prepared by mixing 50.00 ml of 0.10 m methylamine, ch3nh2, with 20.00 ml of 0.10 m methylammonium chloride, ch3nh3cl? assume that the volume of the solutions are additive and that kb = 3.70 × 10-4 for methylamine

Nitric oxide (no) can be formed from nitrogen, hydrogen and oxygen in two steps. in the first step, nitrogen and hydrogen react to form ammonia: n2(g) + 2 h_2(g) rightarrow 2 nh_3 (g) delta h = -92. kj in the second step, ammonia and oxygen react to form nitric oxide and water: 4 nh_3(g) + 5 o_2(g) rightarrow 4no(g) + 6 h_2o(g) delta h = -905. kj calculate the net change in enthalpy for the formation of one mole of nitric oxide from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .

What overall charge must all compounds have

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li