Numerade

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David Collins

Numerade educator

Nitryl bromide, NO2Br, decomposes into nitrogen dioxide and bromine. 2NO2Br(g) ? 2NO2(g) + Br2(g) A proposed mechanism is NO2Br ? NO2 + Br (slow) NO2Br + Br ? NO2 + Br2 (fast) What is the rate law predicted by this mechanism?

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David Collins

Numerade educator

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Ronald Prasad

Numerade educator

The decomposition of nitrogen dixoide, 2NO2(g) ? 2NO(g) + O2(g) has a rate constant of 0.498 M/s and an activation energy of 1.137x105 J/mole at 319°C. What is the value of the rate constant, in M/s, at 381.0°C for the reactions. Express your answer to two decimal positions.

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Ronald Prasad

Numerade educator

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Ronald Prasad

Numerade educator

A second order reaction has a rate constant of 8.7x10-4/(M·s) and an activation energy of 4.294x104 J/mol at 30°C. What is the value of the rate constant at (4.40x10^1)°C? Express your answer the three significant figures.

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Ronald Prasad

Numerade educator

The reaction 2NOCl(g) ? 2NO(g) + Cl2(g) has rate-constant values for the reaction of NOCl of 9.3x10-6/s at 350 K and (8.90x10^0)x10-4 at 400 K. Calculate the activation energy, in J/mol, for this reaction. Express your answer to three significant figures.

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sean h.