For a general first order reaction, A+ products, 35.0% of A has reacted after 14.2 hours....
For a general first order reaction, A+ products, 35.0% of A has reacted after 14.2 hours. How long will it take for 85.0% of A to react? O 2.2 hours O 70.1 hours 62.5 hours O 5.35 hours O 25.7 hours
The reactant concentration in a first-order reaction was 8.60×10−2 M after 35.0 s and 6.90×10−3 M after 100 s . What is the rate constant for this reaction?
A certain first-order reaction ( A products) has a rate constant of 5.10x10-35-1 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? Express your answer with the appropriate units. View Available Hint(s) ? HA Value O Units Submit Part B A certain second-order reaction (B>products) has a rate constant of 1.10x10-3M-1.s-1 at 27°C and an initial half-life of 212 s . What is the concentration...
In the first order reaction A---> products, [A] = 0.400 M initially and 0.250 M after 15.0 min. What is the value of the rate constant, k?
A zero-order reaction has a constant rate of 2.90×10−4 M/s. If after 35.0 seconds the concentration has dropped to 3.00×10−2 M, what was the initial concentration?
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?
The rate constant for this first-order reaction is 0.0210 s-1 at 400 °C. A products After how many seconds will 13.2% of the reactant remain?
The rate constant for this first-order reaction is 0.0830 s–1 at 400 °C. A---> products After how many seconds will 11.8% of the reactant remain?
The rate constant for this first–order reaction is 0.0160 s−1 at 400 ∘C A⟶products After how many seconds will 19.7% of the reactant remain?
3. The thermal decomposition of A, 2A + products is a second-order reaction. Given that the initial concentration of A is = 2.45 x 10-3 M and the intial rate of reaction is 2.05x10-6 M s-1, calculate the rate constant. Also calculate the rate of reaction after 90% of A has reacted.