What is the volume in liters of 48.0g o2? a)11.2l b)22.4l c)33.6l d)67.2

Easy definition for atom and atomic mass

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2