The rate law for the reaction 2NO28) 2NO(8) +02(3) is IS rate k [NO212. Initially, only...
5) For the reaction 2 NO2 > 2 NO + 02 the rate equation is R = k [NO2], where k = 1.4 x 10-10 L/mol-s at 25 C. If 3.00 moles of NO2 are initially present in a sealed 1.00 L vessel at 25 C a) What is the half-life of the reaction? b) What concentration and how many grams of NO2 remain after 150 years? c) What concentration of NO would have been produced in those 150 years?
The rate constant for the reaction 2NO → O2 + N2 is 8.0×10−3 Atm−1min−1 at 800 K. How long will it take the concentration of NO to drop from 0.85 Atm to 0.35 Atm? a) 110 min b) 250 min c) 180 min d) 210 min e) 520 min For the second order reaction 2SiH4 → Si2H6 + H2 has a rate constant of 5.5×10−4 Atm−1 s−1 at 230oC. If a vessel contains 1.326 Atm of SiH4 after a reaction...
Given the reaction and following data: 2NO + O2 → 2NO2 Calculate the rate law constant and write the rate law. Trial [NO] (mol/L) [O2] (mol/L) Rate (mol/L/hr) 1 0.125 0.125 2.57 x 10-2 2 0.250 0.125 5.20 x 10-2 3 0.250 0.250 4.16 x 10-1
The reaction 2NOB → 2NO+ Br2 exhibits the rate law Rate = k[NOBr] = A[NOBr) A: where k = 1.0 x 10-5 M-1.5 at 25° C. This reaction is run where the initial concentration of NOBT ([NOBr]) is 1.00 x 10- M. Calculate the [NO] (M) after 3.6 hours have passed. Report your answer to two significant figures. Answer:
The decomposition of N2O5 proceeds according to the following equation 2 N2O5(g) → 4 NO2(g) + O2(g). The rate constant, k, for the reaction at 298 K is 2.20 x 10-3 min-1. If a reaction is set up in a vessel at 298 K, with an initial concentration of 0.278 mol L-1; what is the concentration of reactant N2O5(g) in mol/L after 40.2 minutes? Report your answer without units
10 and 11
10. Nitrosyl chloride, NOCI, decomposes slowly to NO and Cl2, the reaction follows second order kinetics with a rate constant of 0.020 L mol-' s at a certain temperature. 2 NOCI (g) → 2 NO(g) + Cl2(g) If the initial concentration of NOCI in a closed reaction vessel is 0.050 M, what will be the concentration be after 30 minutes? 11. The reaction 2 NO2 (g) → 2 NO(g) + O2(g), is second order with respect to...
The rate law for the decomposition of N2O5 is rate = k[N2O5] If k = 1.0 x 10-5 s-1, what is the reaction rate when the N2O5 concentration is 0.0091 mol L-1? 2.The decomposition of acetaldehyde, CH3CHO, was determined to be a second order reaction with a rate constant of 0.0771 M-1 s-1. If the initial concentration of acetaldehyde is 0.301 M , what will the concentration be after selected reaction times? a. What will the CH3CHO concentration be after...
06 Question (3 points) At a given temperature, K 8.6x10 for the following forward reaction: 2NO(g)+02(8) 2NO2(g) Write the reverse reaction. Be sure to include all states of matter. x. x (aq). He 2NO (g) 2NO(g) +02(g) Part 2 (1.5 points) Feedback What is the Kvalue for the reaction above written in the reverse direction? 0,00000116
QUESTION 1 (10) Nitric oxide reacts with oxygen to form nitrogen dioxide: 2NO(g) + O2(g) + 2NO2 (g) a) What is the Kc for the reaction if the equilibrium concentration of NO is 0.300 M, O2 is 0.200 M, and NO2 is 0.530 M at 25°C? b) What is the Kp for the same reaction? c) If the equilibrium re-establishes where [NO]=0.150 M and [02]-0.225 M, what is [NO2) at this point under the same temperature? 2(12) The equilibrium constant...
4. The rate constant for the reaction rate constant for the reaction 3A 4B is 2.50 x 10-3 L mol-min". How long will take the concentration of A to drop from 0.75 M to 0.50 M? (6 points)