The equation below shows a reaction that is first order in A and zero order in B. A(g) + 2B(g) →C(g)

What is the rate law for the reaction?
R=K[A] [B]2
R=K[A][B]
R=K[B]
R=K[A]

it is the most commonly accepted one

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.