inutes at 600 K. If you b

The reaction so2cl2(g)→so2(g)+cl2(g) is first order. At 660 k it has a rate contsant of 4.5 X 10^-2 s^-1 Determine the concentration of SO2Cl2 at 15.2 seconds, if the initial concentration is 0.583 M.

The reaction of NOBr(g) to form NO(g) and Br2(g) is second order: 2NOBr(g) → 2NO(g) + Br₂(g) The rate constant is 0.556 L mol-¹ s¹ at some temperature. If the initial concentration of NOBr in the container is 0.21 M, how long will it take for the concentration to decrease to 0.028 M? t = S

2 3 4 =5 #1 6 7 Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate constant of 0.0040 M-s¹: 2 HI (g) → H₂(g) + 1₂ (g) Suppose a 5.0 L flask is charged under these conditions with 300. mmol of hydrogen iodide. How much is left 4.0 s later? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. S A S ? Continue Submit 00 X

A chemical reaction of the general type:   A → 2B is first-order, with a rate constant of 1.52 × 10-4 s-1. a) Calculate the half-life of A. b) Assuming the initial concentration of A is 0.067 mol L-1, calculate the time needed for the concentration to fall to 0.010 mol L-1.

The decomposition of ethylene oxide (CH₂)₂O(g) → CH₄(g) + CO(g) is a first order reaction with a half-life of 58.0 min at 652 K. The activation energy of the reaction is 218 kJ/mol. Calculate the half-life at 613 K.

The decomposition of ethylene oxide (CH₂)2O(g) → CH4(g) + CO(g) is a first order reaction with a half-life of 58.0 min at 652 K. The activation energy of the reaction is 218 kJ/mol. Calculate the half-life at 631 K.

The following reaction is first-order. If the rate constant for the reaction is 5.52 x 10-4 s-1, how much time is needed for 90% of the reactant to decay?     Group of answer choices 3.18 minutes 3.02 minutes 69.5 minutes 2.30 seconds

The first-order decomposition of cyclopropane has a rate constant of 6.7 x 104 s1. If the initial concentration of cyclopropane is 1.33 M, what is the concentration of cyclopropane after 644 s? 0.15 M 0.86 M O 0.94 M 0.43 M 0.67 M

The first-order rate constant for the decomposition of N₂O5, given below, at 70°C is 6.82 x 10³ s¹. Suppose we start with 0.0500 mol of N₂O5(g) in a volume of 2.5 L. 2 N₂05(g) → 4 NO₂(g) + O₂(g) (a) How many moles of N₂O5 will remain after 3.0 min? mol (b) How many minutes will it take for the quantity of N₂O5 to drop to 0.005 mol? min (c) What is the half-life of N₂O5 at 70°C? min