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Form of the Rate Law of a Synthesis Reaction

APCHEM-GDQQGO

Which of the following choices is the rate law of the following reaction?

$$2{ H }_{ 2 }(g)+{ O }_{ 2 }(g) \longrightarrow { H }_{ 2 }O(g)$$

A

$\text{rate}= k[H][O]$

B

$\text{rate} =k{ [{ H }_{ 2 }] }^{ x }{ [{ O }_{ 2 }] }^{ y }$

C

$\text{rate} = k{ [{ H }_{ 2 }] }^{ 2 }{ [{ O }_{ 2 }] }$

D

$\text{rate}= k{ [{ H }_{ 2 }] }{ [{ O }_{ 2 }] }$