At a certain temperature, the decomposition of NO2 is second order with a rate constant of 2.85 M-1min-1. If one starts with 1.61 M of NO2, how many minutes will it take for it to decompose to 35.1% of its initial value?
At a certain temperature, the decomposition of NO2 is second order with a rate constant of...
The first-order rate constant for the gas-phase decomposition
of N2O5 to NO2 and O2 at 65oC is 4.87 x 10-3/sec.
(a) If a chemist starts with 0.550 moles of N2O5 in a 500.0 ml
container, how many moles
of N2O5 will remain after 18.0 minutes? (b) How long will it
take for the quantity of N2O5 to drop to 0.0550 moles?
14. The first-order rate constant for the gas-phase decomposition of N205 to NO2 and O2 at 65℃ is 4.87...
At 300oC, the decomposition of NO2(g) is second order with a rate constant of 0.54 M-1 s-1. If the initial concentration of NO2 is 0.65 M, what is the concentration of NO2 (in M) after 13.9 s have elapsed?
The decomposition of NO2 at high temperature NO2(g) → NO(g) + 1/2 O2(g) is a second order process with a rate constant of 3.40 L/mol•min. If an experiment is performed where the initial concentration of NO2 is 0.400 M, what is the concentration of NO2after 2.96 min? [NO2] = M
At 427 oC the decomposition of hydrogen iodide is second order, according to the following equation: 2Hl -> H2 +I2 In an experiment the initial [Hl]0 = 2.20 M and the rate constant is 0.00142 M-1 s-1. a) What is the half life in seconds? b) How much Hl remains after 3600 seconds have passed? c) How many minutes would it take for a concentration of 1.35 M Hl to decompose to 0.8253 M?
The decomposition of XY is second order in XYand has a rate constant of 7.12×10−3 M−1⋅s−1 at a certain temperature. What is the half-life for this reaction at an initial concentration of 0.100 M? How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial concentration is 0.100 M? How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial...
The decomposition of XY is second order in XY and has a rate constant of 7.06×10−3 M−1⋅s−1 at a certain temperature. a) What is the half-life for this reaction at an initial concentration of 0.100 MM? b)How long will it take for the concentration of XYXY to decrease to 12.5%% of its initial concentration when the initial concentration is 0.100 MM? c)How long will it take for the concentration of XYXY to decrease to 12.5% of its initial concentration when...
The decomposition of XY is second order in XY and has a rate constant of 7.06×10−3 M−1⋅s−1 at a certain temperature. PART A If the initial concentration of XY is 0.160 M , how long will it take for the concentration to decrease to 6.80×10−2 M ? Express your answer using two significant figures. PART B If the initial concentration of XY is 0.050 M, what is the concentration of XY after 45.0 s ? Express your answer using two...
The decomposition of nitrogen dioxide occurs according to the equation below: NO2 (g)------>NO( g)+1/2 O2 (g) The reaction is second order with respect to NO2. The specific rate constant for this reaction is 3.04M-1min-1. How long does it take for the concentration of NO2 to decrease from 2.00M to 1.25M?
1a. At 573 K, gaseous NO2 decomposes, forming NO(g) and O2. If a vessel containing NO2(g) has an initial concentration of 0.056 mol/L, how long will it take for 75% of the NO2(g) to decompose? The decomposition of NO2(g) is second-order in the reactant, and the rate constant for this reaction, at 573 K, is 1.1 L/mol · s. = ___ s 1b. The decomposition of ammonia on a metal surface to form N2 and H2 is a zero-order reaction....
The gas phase decomposition of N2O5(g) àNO3(g) + NO2(g) is studied at a certain temperature, giving the following data: Time (s) [N2O5] (M) 0.0 1.000 50.0 0.677 100.0 0.458 150.0 0.310 200.0 0.210 Is the overall order of reaction zeroth, first or second order? What is the rate constant (include units)? Calculate half-life (in s) for this reaction given the initial concentration in the table. What is the concentration of N2O5 (in M) at 250. s?