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25. The rate constant of a first-order decomposition reaction is 0.0267 s-l. If the initial concentration...
Question 3 (Mandatory) (5 points) The rate constant of a first-order decomposition reaction is 0.0147 s. If the initial concentration of reactant is 0.178 M, what is the concentration of reactant after 30.0 seconds? a) 8.72 x 10 M Ob) 0.0785 M Oc) 0,115 M O d) 0.643 M e) 0.0645 M Question 4 (Mandatory) (5 points) The reaction quotient, . for a system is 1.6 x 104. If the equilibrium constant for the system at some temperature 8.5 x...
1. A certain first order reaction has a rate constant of 0.036 min-1. How much of the reactant will remain if the reaction is run for 2.5 hours and the initial concentration of the reactant is 0.31 M? 2. A certain first order reaction has a rate constant of 0.036 min-1. How much of the reactant will remain if the reaction is run for 2.5 hours and the initial concentration of the reactant is 0.31 M? 3. The rate constant...
The rate constant for the first-order decomposition of N2O5 is 2.81×10−2 s−1 at 20∘C. If the initial concentration of N2O5 is 2.50 M, what is the [N2O5] after 100 seconds?
If the initial concentration of CaCO3 is 0.992 M for a first order decomposition reaction of calcium carbonate, how long will it take for the concentration to decrease to 0.572 M? The measured rate constant is 0.00712 s-1. - report answer in three significant figures - do not include units
The rate constant for a certain reaction is k = 1.70×10−3 s−1 . If the initial reactant concentration was 0.900 M, what will the concentration be after 6.00 minutes? [A]t= B) A zero-order reaction has a constant rate of 3.90×10−4 M/s. If after 65.0 seconds the concentration has dropped to 4.00×10−2 M, what was the initial concentration? [A]0=
1. The rate constant for a certain reaction is k=3.70x10-3 s-1. If the initial reactant concentration was 0.400 M, what will the concentration be after 3.00 minutes? 2. A zero-orderreaction has a constant rate of 3.30x10-4 M/s. If after 80.0 seconds the concentration has dropped to 8.00x20-2 M, what was the initial concentration?
The decomposition of nitramide in aqueous solution at 25 °C NH2NO2(aq)------->N2O(g) + H2O(l) is first order in NH2NO2. During one experiment it was found that when the initial concentration of NH2NO2 was 0.458 M, the concentration of NH2NO2 dropped to 0.117 M after 21860 s had passed. Based on this experiment, the rate constant for the reaction is _________s-1.
The first-order decomposition of cyclopropane has a rate constant of 6.7 × 10-4 s-1. If the initial concentration of cyclopropane is 1.33 M, what is the concentration of cyclopropane after 644 s?
Kinetics. The rate constant for a particular second-order reaction is 0.47 M-1s-1. If the initial concentration of reactant is 0.25 mol/L, what concentration will remain after 12.0 s? SHOW ALL WORK - SHOW ALL STEPS (WITH UNITS)
The decomposition of SO2Cl2 is first order in SO2Cl2 and has a rate constant of 1.48×10−4 s−1 at a certain temperature. How long will it take for the concentration of SO2Cl2 to decrease to 25% of its initial concentration? If the initial concentration of SO2Cl2 is 1.00 M, how long will it take for the concentration to decrease to 0.76 M ? If the initial concentration of SO2Cl2 is 0.175 M , what is the concentration of SO2Cl2 after 210...