Based on the following chemical equation how many molecules of Hydrogen (H) are present in the reactants side? 2H2 + O2 > 2H2O
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The reaction q+r2=r2q is found to be first order in r2 and

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

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