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. What is the value of the rate constant in units of h-1? 0 -0.0303 h 1 0.0739 h 1 0.0303 h 1 -0.0739h-1
The first order reaction SO2Cl2 → SO2 + Cl2, has a half-life of 8.75 hours at 593 K. How long will it take for the reaction to be 37% complete? Express your answer to three significant figures
The reaction, aA products, is a first order reaction with a rate constant of 1.248 x 10-4 s-1 . a. How long (in seconds) does it take for the initial amount of A to decrease by 30%? b. What fraction of reactant remains after 30 minutes? c. What is the half-life for the reaction? d. How long does it take for the initial amount of reactant to decrease by 87.5%?
The first order reaction, SO2Cl2 --> SO2 + Cl2, has a half life of 8.75 hours at 593 K.? How long will it take for the concentration of SO2CL2 to fall to 12.5% of its initial value? Steps must be shown.
Back to main menu Exercise 1 The reaction N O4(g) 2NO2(g) has first-order kinetics and a rate law constant of 1.06x10-5 l/s at 298 K. (a) If the initial concentration of N20 is 3.40x10-5M and no NO2 is present at the beginning of the reaction, what is the concentration of NO2 after 1000s? (b) How long will it take for 90% of N2O, to react away? Express the time in days, hours and minutes. Rark to main menu
What statement is true? For the first-order reaction, A → products, 12.5% of initial amount of A is left after two half-lives. For the first-order reaction, A → products, if half of the initial concentration of A reacts in 20 min, then the remaining half will completely react in the next 20 min. For the first-order reaction, A → products, 25% of initial amount of A is left after two half-lives. For the first-order reaction, A → products, 75% of...
Referen The initial concentration of the reactant in a first-order reaction A → products is 0.528 mol/L and the half-life is 27.0 s. (a) Calculate the concentration of the reactant (in mol/L) 54.0 s after initiation of the reaction. moll (b) How long (in s) would it take for the concentration of the reactant to drop to one eighth its initial value? (e) How long (ins) would it take for the concentration of the reactant to drop to 0.0330 mol/L?...
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?
After 54.0 min, 35.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
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?