At a certain concentration of reactants, the rate of appearance of water in the following reaction is 0.39 M/s. HINT: Watch the sign of the rate! 4NH3 + 7O2  4NO2 + 6H2O (A) What is the rate of reaction of O2?   M/s(B) What is the rate of reaction of NH3?   M/s(C) What is the rate of reaction of NO2?   M/s

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Determine (a) the rate equation and (b) the rate constant for the hypothetical reaction A + B ® C given the following initial concentrations and initial rate data.       [A]0 [B]0 Initial Rate   Run # (mol/L) (mol/L) (mol/L·s)   (1) 0.100 0.100 0.18   (2) 0.100 0.200 0.36   (3) 0.200 0.200 1.44

If the rate law for the reaction A ⟶Products is rate = k[A], calculate the value of k from the following data:  [A] (M)           Initial Rate (M/s)      0.10           0.015   (A)6.7 s-1 (B)0.015 s-1 (C)0.15 s-1 (D)67 s-1

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A study of the rate of dimerization of C,H, gave the data shown in the table: 2C,H6 → C3 H12 Time (s) 1600 3200 4800 6200 [C,HJ (M) 1.00 x 10-2 5.04 x 10-3 3.37 x 10-3 2.53 x 10-3 2.08 x 10-3 (a) Determine the average rate of dimerization between 0 s and 1600 s, and between 1600 s and 3200 s. (b) Estimate the instantaneous rate of dimerization at 3200 s from a graph of time veisus [C4H5]. What are the units of this rate? (c) Determine the average rate of formation of C3H12 at 1600 s and the instantaneous rate of formation at 3200 s from the rates found in parts (a) and (b).

Which statement concerning relative rates of reaction is/are correct for the chemical equation given below? 2 CH3OH(g) + 3 02(g) 2 CO2(g) + 4 H20(g) (a) The rate of appearance of H2O is two times the rate of appearance of CO2. (b) The rate of disappearance of CH3OH is equal to the rate of disappearance of O2. Statement (a) Statement (b) Both Statement (a) and Statement (b) are correct. Neither Statement (a) nor Statement (b) is correct.

For the reaction C3Hg + 502 73 CO2 + 4H2O + → which of the following is a valid expression for the reaction rate? (A) Δ[C3Hg] Δt (Β) – 5 (C) Δ[02] Δt 1 Δ[02] 5 ΔΕ (D) —4 4[H,0] ΔΕ Δ[CO2] (Ε) 3 - Δt

Determine (a) the rate equation and (b) the rate constant for the hypothetical reaction A+ B →C given the following initial concentrations and initial rate data. [A]o [B]o Initial Rate Run # (mol/L) (mol/L) (mol/L s) (1) 0.100 0.100 0.18 (2) 0.100 0.200 0.36 (3) 0.200 0.200 1.44