It would be <span>C21H22N2O2</span>
Light is both a wave and a particle. Good luck!
We can dictate the mechanism of the reaction by looking at the exponents of the reactants in the reaction rate equation. Since [xy] has an exponent of 1, then the reaction follows the first order reaction with respect to xy. Similarly, the reaction follows the first order with respect to z₂. Then, the overall is the sum of each of their orders which is 2.
Personally, I would chose #1-Long chains of carbon molecules
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As the torrent of water dried up for the first time in thousands of years, it revealed a horrific sight. n(CO2) = mass(CO2)/Molar mass(CO2) = 112/44 = 2.5454
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