A first order rate law has a rate constant of 0.0011 s-1. If the initial concentration...
the first order decomposition of N2O5 at 328 K has a rate constant of 1.70x10^-3 s^-1. if the initial concentration of N2O5 is 2.88 M, what is the concentration of N2O5 after 12.5 minutes?
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...
A certain first-order reaction (A products) has a rate constant of 5.40 10-3 s I at 45 °C How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration? at 27 °C A certain second-order reaction (B-products) has a rate constant of 1.05x10-3 M 1.s and an initial half-life of 266 s What is the concentration of the reactant B after one half-life?
Part A. A certain first-order reaction (A→products) has a rate constant of 3.90×10−3 s−1 at 45 ∘C. How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration? Part B. A certain second-order reaction (B→products) has a rate constant of 1.90×10−3 M−1⋅s−1 at 27 ∘C and an initial half-life of 298 s . What is the concentration of the reactant B after one half-life?
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?
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?
25. The rate constant of a first-order decomposition reaction is 0.0267 s-l. If the initial concentration of reactant is 0.198 M, what is the concentration of reactant after 30.0 seconds? 26 Hydrogen perovide dome
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=
If a zero order reaction has a rate constant k of 0.0416Mmin and an initial concentration of 2.29 M, what will be its concentration after 20.0 minutes? Your answer should have three significant figures.
Question 3 1 pts The rate constant, k, of the first order reaction A B +C is k = 8.62 x 10-35-1. If the initial concentration of A is 2.74 M, how long will it take for the concentration of A to fall below 0.32 M? Give your answer to one decimal place in MINUTES (do not input the units). For example, if your answer is 8.956 minutes, enter 9.0 Question 4 1 pts The rate constant, k, of the...