Aflask contains 0.330 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask. express your answer numerically in molecules.

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

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false